Waec Physics 2016 Past Questions and Answers

Question 36:

• WAEC 2016

The p.d across a parallel-plate capacitor is 10³V. If the distance between the two plates is 10cm. Calculate the magnitude of the electric field strength between the plates.

A. 1.0 x 10⁴Vm^-1
B. 1.0 x 10⁵Vm^-1
C. 1.5 x 10⁵Vm^-1
D. 2.0 x 10⁵Vm^-1

Question 37:

• WAEC 2016

Two different materials, rubbed against each other acquired opposite charges when separated. This is an example of charging by

A. Induction
B. Friction
C. Conduction
D. Convection

Question 38:

• WAEC 2016

Two different materials, rubbed against each other acquired opposite charges when separated. This is an example of charging by

A. Induction
B. Friction
C. Conduction
D. Convection

Question 39:

• WAEC 2016

Which of the following factors does not affect the e.m.f of a primary cell? Its

A. Size
B. Internal resistance
C. Operating temperature
D. Duration of usage

Question 40:

• WAEC 2016

Two magnets are used to magnetize a soft iron bar PQ as illustrated in the diagram given. The correct polarity at P and Q respectively

A. S and N
B. N and N
C. S and S
D. N and S