Electric Circuits What is apparent power in AC operation? Product of rms voltage and rms current. Product of voltage and current. Product of voltage and current at full load. Product of voltage and current at no load. Product of rms voltage and rms current. Product of voltage and current. Product of voltage and current at full load. Product of voltage and current at no load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power factor can be defined as ratio of resistance versus impedance. sine of voltage and current. cosine of angle between voltage and current. both option B and C. ratio of resistance versus impedance. sine of voltage and current. cosine of angle between voltage and current. both option B and C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases the current remain unaltered. the current increases. the current decreases abruptly. the current decreases. the current remain unaltered. the current increases. the current decreases abruptly. the current decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is fully charged. initially. when capacitor is half charged. when capacitor is almost 25% charged. when capacitor is fully charged. initially. when capacitor is half charged. when capacitor is almost 25% charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The mass of a proton is 1.675 × 10 - 27 Kg. 1.602 × 10 - 19 Kg. 1.672 × 10 - 27 Kg. 1.609 × 10 - 31 Kg. 1.675 × 10 - 27 Kg. 1.602 × 10 - 19 Kg. 1.672 × 10 - 27 Kg. 1.609 × 10 - 31 Kg. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistivity of semi-conductors at room temperatures is 1.6 × 106 to 100 × 106 ohm - cm. 109 to 1012 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 109 to 1012 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
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