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Physics Past Questions and Answers

Jamb Physics Questions

Question 26:

A high-resistance voltmeter reads 3.0V when connected across the terminals of a battery on open circuit and 2.6V when the battery supplies a current of 0.2A through a lamp. The resistance of lamp is

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A 2.00\(\Omega\)
B 13.00\(\Omega\)
C 0.52\(\Omega\)
D 0.13\(\Omega\)
E 1.50\(\Omega\)

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Question 27:

A magnetic needle is suspended first at the earth's north magnetic pole and then at a point on the magnetic equator. The respective angles between the needle and the horizontal are

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A 0^o and 0^o
B 60^o and 60^o
C 90^o and 90^o
D 90^o and 0^o
E 0^o and 90^o

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Question 28:

The equation P^xV^yT^z = constant

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A X = 0, y = 0, z = 1
B X = 1, y = 0, z = 0
C X = 1, y = 1, z = 0
D X = 1, y = 1, z = 1
E X = 1, y = 1, z = -1

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Question 29:

The area under a force-distance graph represents

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A Acceleration
B Velocity
C Power
D Work
E Momentum

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Question 30:

A hot metal ball is suspended in the open air. As it cools it loses heat by

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A Conduction only
B Convection only
C Radiation only
D Conduction and convection
E Convection and evaporation

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