Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 150 Hz. 100 Hz. 0 Hz. 50 Hz. 150 Hz. 100 Hz. 0 Hz. 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.5. 0.577. 0.866. 1. 0.5. 0.577. 0.866. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Under resonance condition the power factor of a system is lagging unity any of the above leading lagging unity any of the above leading ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following elements is/are called dynamic element/s? L. C. Both L and C. R. L. C. Both L and C. R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ? None of these. Only (1). Both (1) and (2). Only (2). None of these. Only (1). Both (1) and (2). Only (2). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For finding the Z11 parameter at the input port of a two port network input port is short circuited. input port is open circuited. output port is open circuited. output port is short circuited. input port is short circuited. input port is open circuited. output port is open circuited. output port is short circuited. ANSWER DOWNLOAD EXAMIANS APP
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