Post Utme Ahmadu Bello University Physics Past Questions and Answers

Question 1:

A piece of rubber 1 Dem long stretches 6mm when a load of 100N is hung from it.

What is the area stretched if the young modulus is 50N/m²

A. 60m²
B. 150m²
C. 33.33 m²
D. 15 m²

Question 2:

To determine the weight of an object you would ____________

A. Use a balance
B. Use a spring balance
C. Find the force necessary to give it a certain acceleration
D. Use none of these methods
E. Use any of these methods

Question 3:

A gas at pressure PN/m and temperature 27°c is heated to 77°c at constant volume. The new pressure is ____________

A. 0.85PN/m
B. 0.86PN/m
C. 1.16PN/m
D. 1.18PN/m
E. 2.85PN/m

Question 4:

Two lamp rated 40w and 220w, each are connected in series. The total power dissipated in both lamps is ____________

A. 10w
B. 20w
C. 40w
D. 80w
E. None

Question 5:

A magnet is moved through a coil of wire. The emf produced in the wire depends on ____________

A. The number of turns in the coil
B. The strength of the magnet
C. The speed at which the magnet is moved
D. All of the above
E. None of the above