Electric Circuits Which of the following materials has highest electrical conductivity ? Steel. Copper. Aluminium. Silver. Steel. Copper. Aluminium. Silver. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In an AC circuit, containing pure inductance, the voltage applied is 120 V, 50 Hz while the current is 10 A. Find the value of inductance. 34 mH. 30 mH. 38 mH. 35 mH. 34 mH. 30 mH. 38 mH. 35 mH. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will decrease. remain constant. none of these. increase. decrease. remain constant. none of these. increase. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a pure inductor is connected across the ac source, the average power taken by the inductor is a few watt. maximum power. 100 watt. zero watt. a few watt. maximum power. 100 watt. zero watt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 1 mA flows through a 1M ohm, 2 W carbon resistor. The power dissipated as heat in the resistor will be 0.5 W. None of these 2 W. 1 W. 0.5 W. None of these 2 W. 1 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant of RL series circuit is RC 2RC 2L/R L/R RC 2RC 2L/R L/R ANSWER DOWNLOAD EXAMIANS APP
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