Jamb 1992 Physics Past Questions And Answers

Note: You Can Select Post UTME Schools Name Below The Exam Year.
1

Calculate the force acting on an electron of charge 1.6 x 10-19C placed in an electric field of intensity 108Vm-1

  • A. 1.6 x 10-11N
  • B. 1.6 x 10-14N
  • C. 1.6 x 10-16N
  • D. 1.0 x 10-16N
View or Post an Explanation 25014 (0)JAMB 1992
2

After three half lifes, the fraction of a radioactive material that has decayed is

  • A. \(\frac{1}{8}\)
  • B. \(\frac{1}{3}\)
  • C. \(\frac{2}{3}\)
  • D. \(\frac{7}{8}\)
View or Post an Explanation 25024 (0)JAMB 1992
3

Which of the following factors has no effect on the e.m.f. of a primary cell?

  • A. temperature
  • B. size of the cell
  • C. nature of the plate
  • D. nature of the electrolyte
View or Post an Explanation 25015 (0)JAMB 1992
4

The maximum permissible current through a galvanometer G of internal resistance 10\(\Omega\) is 0.05A. A resistance R is used to convert G into a voltmeter with a maximum reading of 100V. Find the value of R and how it is connected to G

  • A. 20,000 ohms in parallel
  • B. 19,990 ohms in series
  • C. 1990 ohms in series
  • D. 100 ohms in series
View or Post an Explanation 25020 (0)JAMB 1992
5

A man weight 800N climbs up a stairs to height of 15m in 12.5s. What is the man''s average power output?

  • A. 667W
  • B. 810W
  • C. 960W
  • D. 15000W
View or Post an Explanation 24990 (0)JAMB 1992
6

A wire of length 15m made of a material of resistivity 1.8 x 10-6\(\Omega\)m has a resistance of 0.27\(\Omega\). Determine the area of the wire

  • A. 1.5 x 10-4m2
  • B. 1.0 x 10-4m2
  • C. 2.7 x 10-5m2
  • D. 7.3 x 10-6m2
View or Post an Explanation 25016 (0)JAMB 1992
7

Which of the following affects the period of a simple pendulum? i. mass of the pendulum bob. ii. length of the pendulum. iii. acceleration due to gravity.

  • A. i, ii, and iii
  • B. ii and iii only
  • C. i and iii only
  • D. i and ii only
View or Post an Explanation 24986 (0)JAMB 1992
8

Which of the following apparatus will require the smallest fuse rating for its protection?

  • A. 60W, 240V
  • B. 60W, 40V
  • C. 40W, 12V
  • D. 40W, 5V
View or Post an Explanation 25018 (0)JAMB 1992
9

The speed of light in air is 3 x 108ms-1. What is the speed in glass with a refractive index of 1.50?

  • A. 1.5 x 108ms-1
  • B. 3.0 x 108ms-1
  • C. 2.0 x 108ms-1
  • D. 6.0 x 108ms-1
View or Post an Explanation 25009 (0)JAMB 1992
10

The diagram below shows a meter bridge in which two of thee arms contain resistances R and 2Ω. A balance point is obtained at 60cm from the left end , calculate the value of R

The diagram below shows a meter bridge in which two of thee arms contain resistances
  • A. 1.2Ω
  • B. 1.3Ω
  • C. 3.0Ω
  • D. 6.0Ω
View or Post an Explanation 25030 (0)JAMB 1992