) State true or false for the following statement: [8]
(a) An object can work more than the energy it possesses.
(b) Pure water can be used as a coolant in the car radiator.
(c) Loudness is proportional to the cube of the amplitude.
(d) The loudness of a wave is highly dependent on energy.
(e) Mini circuits breakers are not preferred in household wiring.
(f) Electroscope is a device used to charge a body by induction.
(g) Electric charges are created when a body is charged by friction.
(h) The direction of flow of the electrons is opposite to that of the flow of current
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Answer:
(a) true
(b)true
(c)false
(d)true
(e)true
(f)true
(g)false
(h)true
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