When a heated electric bulb glows -
(A) Electrical energy is completely converted into light.
(B) Electrical energy is partly converted into light energy and partly into heat energy
(C) Light energy is converted into electrical energy.
(D) Electric energy is converted into magnetic energy .
In case of negative work the angle between the force and displacement is-
(A) 0°
(B) 45°
(C) 90°
(D) 180°
Maxwell is unit of
(A) Intensity of magnetization
(B) Permeability
(C) Magnetic flux
(D) Magnetic susceptibility
Which is the unit of pressure?
(A) Dine
(B) Joule
(C) Watt
(D) Pascal
When was the international system of units implemented?
(A) 1965
(B) 1971
(C) 1991
(D) 1985
What is the unit of electric quantity?
(A) Om
(B) volts
(C) ampere
(D) Watt
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