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Physics Past Questions and Answers

Waec Physics Questions

Question 986:

Charges on a conductor are

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A Evenly distributed over a surface of any shape
B Concentrate on the inner surface of the conductor
C Concentrate at the outer flat surface of the conductor
D Generally concentrated at sharply curved surface

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Question 987:

Which of following functions is performed by manganese IV oxide in the Lenclanche cell?

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A Control of local action
B Depolarisation of the cell
C Regulating current flow in the cell
D Reduction of the internal resistance of the cell

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Question 988:

A car fuse marked 3A operates optimally on a 12V battery, calculate the resistance of the fuse

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A 36.0\(\Omega\)
B 15.0\(\Omega\)
C 9.0\(\Omega\)
D 4.0\(\Omega\)

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Question 989:

Find the cost of running a 60W lamp for 24 hours. If 1kW hr cost 5 naira

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A 14.4 naira
B 12.5 naira
C 7.2 naira
D 2.0 naira

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Question 990:

The quantity of electric charge stored in a capacitor is measured in

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A Farad
B Ampere
C Coulomb
D Volt

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