Physics If a copper wire is increased to double its length, its resistance will become Half Four times One–fourth Double Half Four times One–fourth Double ANSWER DOWNLOAD EXAMIANS APP
Physics The rate at which energy is transferred is called Potential Volt Power Watt Potential Volt Power Watt ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very narrow The forbidden energy gap is very wide The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very narrow The forbidden energy gap is very wide ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Increase the friction between the wheel and the axle Reduce the friction between ground and the whee Reduce the friction between the wheel and the axle None of these Increase the friction between the wheel and the axle Reduce the friction between ground and the whee Reduce the friction between the wheel and the axle None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Bolometer is used to measure Frequency Temperature Wavelength Velocity Frequency Temperature Wavelength Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight Air pressure decreases with decrease in height The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight Air pressure decreases with decrease in height The pressure inside the balloon is more than the pressure outside it ANSWER DOWNLOAD EXAMIANS APP
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