Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of each of them decreases. each of them increases. copper increases and germanium decreases. copper decreases and germanium increases. each of them decreases. each of them increases. copper increases and germanium decreases. copper decreases and germanium increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of sinusoidal voltage wave V = 200sinω0t 100 V. 200 V. 200√2 V. 100√2 V. 100 V. 200 V. 200√2 V. 100√2 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitive circuit, the capacitive reactance is indirectly proportional to frequency directly proportional to frequency directly proportional to the square of frequency indirectly proportional to the square of frequency indirectly proportional to frequency directly proportional to frequency directly proportional to the square of frequency indirectly proportional to the square of frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power factor can be defined as cosine of angle between voltage and current. both option B and C. sine of voltage and current. ratio of resistance versus impedance. cosine of angle between voltage and current. both option B and C. sine of voltage and current. ratio of resistance versus impedance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which part of magnetic path requires largest mmf? Core. Air gap. Coil. Inductance. Core. Air gap. Coil. Inductance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is represented by the hypotenuse of impedance triangle? Reactance drop. Apparent power. Resistance drop. Impedance drop. Reactance drop. Apparent power. Resistance drop. Impedance drop. ANSWER DOWNLOAD EXAMIANS APP
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