Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of each of them increases. each of them decreases. copper increases and germanium decreases. copper decreases and germanium increases. each of them increases. each of them decreases. copper increases and germanium decreases. copper decreases and germanium increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which quantity should be measured by the voltmeter ? Voltage Current Power Speed Voltage Current Power Speed ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Greater than resonance frequency Zero frequency Less than resonance frequency Equal to resonance frequency Greater than resonance frequency Zero frequency Less than resonance frequency Equal to resonance frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The norton equivalent of the circuit shown in the figure is 0.75A, 5/6 Ohm 0.75 A, 1.5 Ohm 1A, 1.5 Ohm 1A, 5/6 Ohm 0.75A, 5/6 Ohm 0.75 A, 1.5 Ohm 1A, 1.5 Ohm 1A, 5/6 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of sine wave is 100 A. Its peak value is 282.8 A. 150 A. 70.7 A. 141.4 A. 282.8 A. 150 A. 70.7 A. 141.4 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum power that can be transferred to the load resistor R from the voltage source in the figure is 6/8W. 1 W. 9/8 W. 7.5 W. 6/8W. 1 W. 9/8 W. 7.5 W. ANSWER DOWNLOAD EXAMIANS APP