The device for generating current is called?
(A) ammeter
(B) Galvanometer
(C) generator
(D) meter
Kilowatt hour (KWH) unit is-
(A) Energy
(B) Power
(C) Electric charge
(D) Electrical current
When a body falls from an aeroplane, there is increase in its
(A) Potential energy
(B) Kinetic energy
(C) Mass
(D) Acceleration
A typical example of a semiconductor is _______?
(A) Platinum
(B) Germanium
(C) Quartz
(D) Mica
A 1 kg object is dropped from a height of 30 meters to the ground. The work done by the force of gravity will be
(A) 30 J
(B) 10 J
(C) 0.33 J
(D) 300 J
The product of mass and velocity of an object is called-
(A) momentum
(B) acceleration
(C) volume
(D) density
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