Electric Circuits In which of the circuits power factor can be zero? inductive. resistive. capacitive. both ‘a’ and ‘b’ inductive. resistive. capacitive. both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its number of poles. nature of supply. both speed and number of poles. speed. number of poles. nature of supply. both speed and number of poles. speed. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 0.015 Ω. 135.86 Ω. 1.765 Ω. 63.7 Ω. 0.015 Ω. 135.86 Ω. 1.765 Ω. 63.7 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A variable capacitance is one whose capacitance changes with voltage. changes with time. can be changed manually or by mechanical force. changes with temperature. changes with voltage. changes with time. can be changed manually or by mechanical force. changes with temperature. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which property is used to oppose the flow of current ? Capacitance Inductance Poteintial difference Resistance Capacitance Inductance Poteintial difference Resistance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electrical resistance of human body is around 250 ohms. 1000 ohms. 25 ohms. 5 ohms. 250 ohms. 1000 ohms. 25 ohms. 5 ohms. ANSWER DOWNLOAD EXAMIANS APP
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