Electric Circuits In which braking back emf exceeds supply voltage? None of these. Dynamic. Regenerative. Plugging. None of these. Dynamic. Regenerative. Plugging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its speed. 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. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In ideal system coefficient of coupling(k) is ∞ Both 2 and 3 0 1 ∞ Both 2 and 3 0 1 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. impedance. power factor. resistance. all of these. impedance. power factor. resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electrical circuit with 10 branches and 7 nodes will have 3 loop equations. 4 loop equations. 7 loop equations. 10 loop equations. 3 loop equations. 4 loop equations. 7 loop equations. 10 loop equations. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits 200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be 4 kΩ. 1 Ω. 200 Ω. 400 Ω. 4 kΩ. 1 Ω. 200 Ω. 400 Ω. ANSWER DOWNLOAD EXAMIANS APP