Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across L is 39.1 V. 31.9 V. 50.5 V. 45.5 V. 39.1 V. 31.9 V. 50.5 V. 45.5 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The greater the internal resistance of a cell the lesser the terminal voltage. the greater the emf. the lesser the emf. the greater the terminal voltage. the lesser the terminal voltage. the greater the emf. the lesser the emf. the greater the terminal voltage. 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? 0.866. 0.577. 1. 0.5. 0.866. 0.577. 1. 0.5. 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 almost 25% charged. when capacitor is fully charged. when capacitor is half charged. initially. when capacitor is almost 25% charged. when capacitor is fully charged. when capacitor is half charged. initially. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RL series circuit R=2Ω and L=2mH. What is the value of time constant? 2msec 4msec 100sec 1msec 2msec 4msec 100sec 1msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 88 V. 63.6 V. 70.7 V. 100 V. 88 V. 63.6 V. 70.7 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
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