Electric Circuits When AC flows through a pure capacitance then the current lags the emf by 90o. leads the emf by 90o. is in phase with emf. leads the emf by - 90o. lags the emf by 90o. leads the emf by 90o. is in phase with emf. leads the emf by - 90o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is time period T? Time taken by an alternating quantity to complete the (+)ve half. Time taken by an alternating quantity to complete the (-)ve half. Time taken by an alternating quantity to reach the peak value. Time taken by an alternating quantity to complete one full cycle. Time taken by an alternating quantity to complete the (+)ve half. Time taken by an alternating quantity to complete the (-)ve half. Time taken by an alternating quantity to reach the peak value. Time taken by an alternating quantity to complete one full cycle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A. 10 2.5 - 1.25 1 10 2.5 - 1.25 1 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the frequency of domestic power in India? 50 Hz. 220 Hz. 60 Hz. 70 Hz. 50 Hz. 220 Hz. 60 Hz. 70 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition for a balanced 3 - phase load is that, each phase has the same value of __________________. all of these. resistance. power factor. impedance. all of these. resistance. power factor. impedance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition for reciprocity in case of ABCD parameters is AB-CD = 0. AB-CD = 1. AD-BC = 1 . AD-BC = 0. AB-CD = 0. AB-CD = 1. AD-BC = 1 . AD-BC = 0. ANSWER DOWNLOAD EXAMIANS APP
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