Physics The device which converts sound energy into electrical energy is called Transmitter Microphone Speaker Amplifier Transmitter Microphone Speaker Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a renewable resource of energy? Wind energy All of these Hydrogen fuel Solar energy Wind energy All of these Hydrogen fuel Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics The energy emitted by the Sun is due to All of these Chemical reaction Nuclear fusion Nuclear fission All of these Chemical reaction Nuclear fusion Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Physics Heavy water is used in nuclear reactor to Increase speed of neutron Absorb neutron Slow down neutron Increase temperature Increase speed of neutron Absorb neutron Slow down neutron Increase temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The fuse in our domestic electric circuit melts when there is a high rise in Capacitance Inductance Resistance Current Capacitance Inductance Resistance Current ANSWER DOWNLOAD EXAMIANS APP
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