Current Electricity - Physics Jamb Past Questions and Answers

Question 1 :

• JAMB 2019

If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

A. 84400m
B. 69000m
C. 61440m
D. 24000m

Question 2 :

• JAMB 1978

Two resistors R1 and R2 are connected in parallel, R2 being greater than R1. The combined resistance is

A. Less than R₁
B. Greater than R₂
C. The sum of R₁ and R₂
D. The difference of R₂ and R₁
E. Greater thanR₁ but less than R₂

Question 3 :

• JAMB 1978

Three 5 ohms resistors connected in parallel have a potential difference of 60v. applied across the combination. The current in each resistor is

A. 4A
B. 36A
C. 12A
D. 24A
E. 10A

Question 4 :

• JAMB 1978

A magnet is moved through a coil of wire. The e.m.f. 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

Question 5 :

• JAMB 1978

In order to convert a galvanometer into an ammeter

A. A low resistance shunt is connected in parallel
B. A low resistance shunt is connected in series
C. A medium resistance shunt is connected in series
D. A high resistance shunt is connected in parallel
E. A high resistance shunt is connected in series