Physics Brightness of bulb depends on voltage or current? Both A & B Current Voltage None Both A & B Current Voltage None ANSWER DOWNLOAD EXAMIANS APP
Physics A current carrying conductor is associated with An electrostatic field An electro-magnetic field An electric field A magnetic field An electrostatic field An electro-magnetic field An electric field A magnetic field ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Voltage unloader Surge protector Current unloader Heat protector Voltage unloader Surge protector Current unloader Heat protector ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be 3P P/3 2p/ 3 P 3P P/3 2p/ 3 P ANSWER DOWNLOAD EXAMIANS APP
Physics Weight of a body is maximum at the: Tropics Pole Subtropics Equator Tropics Pole Subtropics Equator ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It becomes very hard It has a low specific heat capacity It has a high latent heat of fusion It reflects most of the heat from the sun It becomes very hard It has a low specific heat capacity It has a high latent heat of fusion It reflects most of the heat from the sun ANSWER DOWNLOAD EXAMIANS APP
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