Charging A Body By Friction Contact And Induction - 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

Why is it impossible for the lines of force of an electric field to cross one another?

A. Like charges repel each other
B. A charged particle is deflected by an eletric field
C. Like charges are arranged on the same line of force
D. A positively charged particle can travel in only one direction at any time
E. None of these is correct

Question 3 :

• JAMB 1978

An electric charge could be transmitted through

A. Wood, rubber and stone
B. Paper, clay and plastic
C. Glass, acid and cloth
D. The human body, water and metals
E. All of the above

Question 4 :

• JAMB 1992

When an ebolite rod is rubbed with fur, it has

A. No charge at all
B. A negative charge
C. A positive charge
D. Negative and positive charges

Question 5 :

• JAMB 1994

When a biro pen rubbed on a dry silk cloth is moved very close to a piece of paper on a dry table, the pen is found to pick up the paper. This is because

A. Both the pen and the cloth are magnetized
B. The pen is magnetized but the cloth is not
C. The pen is charged while the cloth is magnetized
D. Both the pen and the cloth are charged