Electric Circuits Condition for a balanced 3 - phase load is that, each phase has the same value of __________________. power factor. resistance. impedance. all of these. power factor. resistance. impedance. all of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source? 4P. 2P. 16P. P. 4P. 2P. 16P. P. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The delta equation of given star connected impedance ZQR is equal to (20 + j10) Ω. (10 + j30) Ω. (5 + j10 / 3) Ω. 40 Ω. (20 + j10) Ω. (10 + j30) Ω. (5 + j10 / 3) Ω. 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to (8.66 + j5) A. (8.66 - j5) A. (-9.66 + j5) A. (-8.66 - j5) A. (8.66 + j5) A. (8.66 - j5) A. (-9.66 + j5) A. (-8.66 - j5) A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If N is the number of nodes and b is the number of branches in a network, then rank of tie set matrix is b - N + 1. N - 1. N. b - N - 1. b - N + 1. N - 1. N. b - N - 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its speed. both speed and number of poles. number of poles. nature of supply. speed. both speed and number of poles. number of poles. nature of supply. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS