Electrostatics - Jamb Physics 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 1978

The net charge on the atom is zero because

A. The electrons and the protons that are charged are in the nucleus
B. The total charge on the electrons is equal to the total charge on the protons
C. The neutrons from a shield around the charged protons
D. The number of electrons in an atom is half the number of protons
E. A and B above

Question 5:

• JAMB 1979

It is known that a neutron exists in a light atomic nucleus. Which of the following also exists in the nucleus?

A. An electron
B. A \(\beta\)-particle
C. An \(\alpha\)-particle
D. A proton
E. An atom