Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper increases and germanium decreases. each of them increases. each of them decreases. copper decreases and germanium increases. copper increases and germanium decreases. each of them increases. each of them decreases. copper decreases and germanium increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistors of 4 ohm, 6 ohm and 8 ohm are in parallel. In which resistor, power dissipation will be maximum 4 Ohm. equal in all resistors. 6 Ohm. 8 Ohm. 4 Ohm. equal in all resistors. 6 Ohm. 8 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be 4. 0.25. 0.5. 2. 4. 0.25. 0.5. 2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If Vout = 1 V for 1 kHz input then what would be Vout for 10 kHz for same input ? 0.1 V . 1 V. 0.01 V. None of these. 0.1 V . 1 V. 0.01 V. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown below, what is the voltage across 5 Ω resistor? 34.4 V. None of them -27.4 V. -28.4 V. 34.4 V. None of them -27.4 V. -28.4 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is 1 A. 0.5 A. 0.637 A. 0.318 A. 1 A. 0.5 A. 0.637 A. 0.318 A. ANSWER DOWNLOAD EXAMIANS APP
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