Physics The frequency of direct current is ________ Zero 100 HZ 50 HZ 60 HZ Zero 100 HZ 50 HZ 60 HZ ANSWER DOWNLOAD EXAMIANS APP
Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because The bell jar is too small There is no air or any other gas in the bell jar The glass of the bell jar absorbs the sound waves The ringing is not loud enough The bell jar is too small There is no air or any other gas in the bell jar The glass of the bell jar absorbs the sound waves The ringing is not loud enough 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 P/3 P 3P 2p/ 3 P/3 P 3P 2p/ 3 ANSWER DOWNLOAD EXAMIANS APP
Physics The energy associated with motion is called None of these Potential energy Kinetic energy Both A & B None of these Potential energy Kinetic energy Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Water to glass Water to air Glass to air Glass to water Water to glass Water to air Glass to air Glass to water ANSWER DOWNLOAD EXAMIANS APP
Physics 'Therm' is the unit of Distance Heat Power Light Distance Heat Power Light ANSWER DOWNLOAD EXAMIANS APP
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