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NECO 2017 PHYSCIS PRACTICAL ANSWERS


(3aiii)
Vo=0.35V
TABULATE
S/N:1,2,3,4,5,6
R(ohm):1.0,2.0,3.0,4.0,5.0,6.0
V(v):1.40,1.65,1.80,2.00,2.10,2.15 R^-1(ohm^-1):1.000,0.500,0.333,0.200,0.167
V^-1(v^-1):0.714,0.606,0.556,0.500,0.476,0.465 
(3aiv)
DRAW THE GRAPH of V^-1(v^-1) against R^-1 

(3av)
Slope=change inV^-1/Change inR^-1
=(7.6-4.3)/(0.84-0.10)
3.3/0.74
=4.460 

(3avi)
Intercept=0.385 

(3avii)
I=0.385
I^-1=(0.385)^-1
=2.597

(3aviii)
-I ensured tight connections
-I avoided error due to parallax when reading the voltmetre
-I ensured the key is opened after each reading to prevent the cell from running down 

(3bi)
The potential difference between two points in an electric circuit is the work done when a coulomb of charge passes between the points
in an electric circuits 

(3bii)
E=I(R+r)
where E=e.m.f of the cell
Therefore E=IR+Ir=V+Ir
Where :
V=IR=P.d lost across the external resistance of the cell
Ir=Pd lost across the internal resistance of the cell
E=e.m.f=workdone across external resistance of the cell
Since V=IR is the workdone across the external resistance R only can be other than VVfVVf


2ai)
fo=15cm
2av)
a=60.00cm
b=20.00cm
Hence L=a/b=60.00/20.00
L=3
2avi)
TABULATE
S/N:1,2,3,4,5
b(cm):20.00,25.00,35.00,40.00
a(cm):60.00,37.50,30.00,26.25,24.00
L=a/b:3.00,1.50,1.00,0.75,0.60
2avii)
Slope=Change in L/Change in a
=(3-0.25)/(60-18.6)
=2.75/41.4
=0.006642
2aviii)
S^-1=1/S
=(1/0.0066425cm)
S=15.05
S=15cm
2aix)
PRECAUTIONS
-I ensured that all apparatus are in straight line
-I avoided error due to parallax when reading the metre rule
-I avoided zero error on the metre rule
2bi)
u=10cm
f=15cm
Using 1/v+1/u=1/f
1/f-1/u=1/v
1/v=1/15-1/10
1/v=(2-3)/30
1/v=-1/30
v=-30cm
The characteristics of image formed are:
-It is virtual
-It is enlarged and magnified ie twice or two times as big as the object m=2
2bii)
The concave mirror mounted in its holder is moved to and fro in front of the screen until a sharp image of the cross wire of the ray box is formed on the screen adjacent of the object.The distance between the mirror and the screen was measured as 30cm since the radius of curvature r=2fo then half is distance

If you have ever wondered how to get Jamb 2017 latest news updates on Admission status, no results yet, awaiting results, change of courses and institution, plus every other information about 2017 Jamb UTME And Direct entry, this article is for you. You are about to get all Jamb news today at your finger tip.
Trust me, you will greatly benefit from the Jamb 2017 guide presented in this page. This topic covers everything from Jamb date to when Jamb will start giving admission for the 2017/2018 session. It also features brief introduction to Jamb 2018.

WHAT YOU SHOULD REALLY EXPECT: Before I embark on my procedures, let me quickly introduce you to the things you are about to learn right now.

TABLE OF CONTENT:

  1. How to Gain admission no matter what.
  2. Is it school or Jamb that offers admission?
  3. How to check your Jamb result again.
  4. Jamb 2017 Admission Status.
  5. Jamb Original result slip.
  6. Top Universities that accept low Jamb scores.
  7. Jamb change of course and institution form.
  8. Why you should do Jamb change of course and School.
  9. Jamb to release results for candidates with no result yet.
  10. After Jamb, what next? 8 more things to do.
  11. Why you may not gain admission in 2017.
  12. General cut off mark for top Universities in Nigeria.
  13. Jamb to set examination for those who had computer issues.
  14. How to Upload your waec and Neco awaiting results.
  15. Jamb results upgrade and the truth to follow.
  16. How to check your Jamb admission status.
  17. 2017 Direct entry registration and screening date.
  18. Everything about Jamb 2017 from registration to examination.
  19. More information about Jamb 2017 and 2018.
  20. 10 Amazing things you can do with your Jamb profile.
Now that you know what to expect, let’s go into details. I will try to make my explanations as simple as possible. To make sure you don’t miss out anything,  I will also be linking to my posts that are relevant to this topic.
Are You Ready? Take a glass of chilled water and let’s begin the journey………..

How to Gain Admission With Jamb 2017 No Matter What:

Like I always say, many candidates fail to secure admission to study their desired course. This is not always because thy scored low in Jamb or are not connected; but because they are not guided. You can actually gain admission no matter your Jamb score. Do you want to know the reasons why you may not gain admission and how to overcome it?
See It Here: Ultimate guide to University Admission list.

Is It Jamb Or School That offers Admission?

This is one question that took me years to answer. To some, it is Jamb that gives admission. Others believe that it is school that actually offers admission. If I may ask you, is it the institutions or Jamb that offers admission? The answer is both.
See Also: How Jamb and schools do collaborate in admission process

How to check your Jamb result again:

The joint Admission and matriculation board has released the result for those who wrote Jamb 2017. If you could see your result online earlier, you may want to check again. All you need to do is visit jamb portal and login with your username and password; then click on check result in your Jamb profile.

Jamb 2017 Admission Status:

As from August/September 2017, Jamb will start releasing Admission lists. When you are finally admitted, you can then proceed to print your Jamb 2017 Admission letter.
Go Through: How to check Jamb Admission status.

Jamb Original result slip:

It is true that you have checked and printed your normal Jamb result slip. But that is not what you will use for your University 2017 clearance. Your University or Polytechnic of choice will require you Origin clearance during physical clearance. Usually, Jamb sells scratch cards to enable you print Original Jamb result.

Top Universities And Polytechnics That Accept Low Jamb scores:

If you scored very low in Jamb, it is not the end of life. Also, it doesn’t mean that you cannot gain admission to study your desired course. If the cut off mark for your school is too high, you can consider changing to schools that demand lower cut off. Click here to see the list of good schools that accept low Jamb scores.

Jamb change of course and institution form:

It is true that Jamb has begun change of course and institution. For reasons best know to you, you may want to change your school and course of choice.
Why you should do Jamb change of course and School: If you are not sure whether or not to do Jamb change of institution, the following reasons will convince you.
Read: Jamb change of institution and why you should consider it.

Jamb To Release Results for Candidates with no result yet:

If Jamb told you earlier that you didn’t sit for the exam or no result yet, then you are not alone. There are so many other persons in the same situation.
Read: What to do if you have not seen your Jamb result.

AFTER JAMB, What Next? 8 More Things To Do:

That you have written Jamb or seen your result doesn’t mean all is over. You still have many roles to play. I have already treated the 8 things to do immediately you see your Jamb result. See them here….

General Cut off Mark for Top Federal Universities in Nigeria.

General cut off mark is a very important factor. It determines whether you will be accepted to participate in your school’s physical clearance. It also enables you to differentiate your Jamb score with respect to the school you chose. See the general cut off for top Universities here.
See Also: Jamb score that guarantees Your Admission.

Jamb to set examination for those who had computer issues:

Jamb has promised to set new computer based examination for those who missed the main exam because of technical issue.

2017 Direct entry registration and screening date:

JAMB 2017 DE: Jamb direct entry registration and screening has been announced and confirmed by the Joint Admission And Matriculation board. The new gist about this year’s Jamb direct is that every candidate will be thoroughly screened by their school of choice.
For DIRECT ENTRY, the application will be on sale from Sunday 23 April, 2017.

Jamb Exam Center And Slip Reprint

Jamb has started sending examination centers and dates for 2017 utme applicants. Click here to see your exam date. 

STEPS FOR 2017 REGISTRATION AND APPLICATION

DOCUMENTS NEEDED:

i. Each candidate must have personal e-mail address and mobile phone number.
ii. Each candidate is to use his/her functional and valid personal e-mail address. The system would reject at the point of registration any already used e-mail address.
iii. Each candidate must personally create a JAMB profile.
iv. Payment for JAMB’s E-PIN-registration and the recommended reading text is done at the banks and NIPOST. Banks have also agreed to make these services available at CBT centres and JAMB State Offices.
v. Each Candidate should visit any accredited CBT centre with his/her personal details, the profile and evidence of payment.
vi. The CBT centre or JAMB State Office, supplies, at no extra cost, the prescribed reading text and the CD containing:
a) e-brochure showing guidelines on admission detailing list of tertiary institutions and available programmes of study.
b) Syllabus (e-syllabus) for the examination.
c) Step by step guide on completion of the application form.
d) A video messages from the Registrar of JAMB and a demo on how to use eight (8) keys for UTME examination without mouse. (For candidates with little familiarity with Computers).
vii. Each Candidate is to complete the online application form by supplying the required details such as name, e-mail address, L.G.A., academic qualification, etc.
viii. At the CBT centre, Candidate’s ten fingers biometric and image will be captured and uploaded.
ix. O/L and/or A/L grades are to be provided by candidates. Candidates who are awaiting result should supply the result online as soon as the results are available on JAMB’s portal.
x. Each Candidate is to collect his e-slip at the end of registration as evidence of registration.
There will be no offline registration, as all the accredited CBT centres have been empowered for real life online registration.
No candidate should register at any centre other than the accredited CBT centre and JAMB State office. Any candidate who is registered outside approved centres will be identified and disqualified.

    ORDER OF CHOICE OF INSTITUTIONS

On the 2017 registration platform, Candidates are to note that their 1 choice can be a College of Education, University, Innovation Enterprise Institutes, Polytechnics/Monotechnics, NDA (Nigerian Defence Academy) or Nigeria Police Academy.
You are also allowed to choose Universities as your first and second respectively. Whether Federal or State.

Jamb 2017 EXAM DATE And CENTERS

The 2017 UTME will commence on 13 May and end on 20 May, 2017. Ensure to go there on time.
The venue of the examination will be at any centre in the candidate’s chosen examination town. The main examination center will be sent to you via mail.

JAMB 2017 REGISTRATION FEE

Registration fee for the 2017 Unified Tertiary
Matriculation Examination or Direct Entry is Five Thousand Naira (₦5,000) only.
Candidates are also, as usual, to pay Five Hundred Naira (₦500) only to obtain the reading text- “In Dependence” for UTME candidates and “The Last Days at Forcados High School” for Direct Entry Candidates.
Candidates should note that E-PINS being purchased are tied to individual profile and are not transferable. Candidates are advised to keep as confidential their security details such as registration numbers, password, e-mail addresses and E-Pins.

OPTIONAL 2017 UTME-MOCK-EXAMINATION

The Board will mount a mock examination in all the accredited CBT centres to prepare and familiarize INTERESTED Candidates with the CBT environment.
The mock examination is free. That is to say, you are not to pay anything. No Association or body is permitted to run any mock examination on behalf of JAMB.

JAMB REGISTRATION CENTERS

In line with the Board’s regulated registration exercise, only the accredited Computer Based Test Centres and JAMB States and FCT Offices will be allowed to register candidates.
This is to avoid exploitation, off-line registration, mismatch of candidates’ particulars and other registration-irregularities.
See: Jamb approved registration centers for all States
See Also: How to survive the recent Jamb CBT Update

How To Register Jamb 2017

So many persons complain of mistakes after registering for Jamb. At such, they run to and fro for the best way they can correct mistakes they made. It is better to guided when you are yet to register than to be consoled when you have already registered. Click here to read how to register Jamb without mistakes.

Jamb Profile And How To Create One

Jamb has made it compulsory for candidates to create profile. Before you apply for Jamb 2017 or 2018, you must register your Jamb profile. It is after creating Jamb profile that you can apply for Jamb and even check your admission status. You may want to Create your Jamb profile here now by using this link

For more Information about the Jamb New book and how to get it:

READ: Jamb New Book -“In Dependence”

How to Register For Jamb


I have made the registration process easy for you in my latest article. It is a very simplified version. You may want to go through it.
READ: How to register Jamb 2017 without mistakes

How Do I Get Jamb Syllables?

After obtaining  Jamb 2018 registration form, the next thing that should come to your mind is Jamb syllabus. You can download Jamb syllabus and hot topics for all subjects by following the link below.
DOWNLOAD: Jamb syllabus and hot topics for all Subjects

What Is New About Jamb?


Jamb 2005 cannot be compared to Jamb 2017. Everything has change about Jamb. The examination has successful moved from the normal paper and pen method to Jamb cbt. There have been so many trend in the Jamb registration, examination and Original Jamb result slip printing.
READ: How to survive the recent Jamb cbt update.

How To Pass Jamb 2017

There is no product without a process. To pass Jamb, you need to apply certain success principles. These principles have already discussed How to pass Jamb 2018 by all means and how to gain total salvation in Jamb UTME. You may want to go through both articles.