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. N - 1. b - N - 1. b - N + 1. N. N - 1. b - N - 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is 250 √3 V. 250 V. 250 / √3 V. 200 V. 250 √3 V. 250 V. 250 / √3 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be 9.67 μF. 6 μF. 3 μF. 2.21 μF. 9.67 μF. 6 μF. 3 μF. 2.21 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the circuits power factor can be zero? resistive. inductive. both ‘a’ and ‘b’ capacitive. resistive. inductive. both ‘a’ and ‘b’ capacitive. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a conductor is varying from 2 microfarad to zero in 1 sec linearly if the voltage applied to it is 6 V the energy stored in 0.5 sec in the condenser is 20 µ joules. 18 µ joules. 10 µ joules. 55.1 µ joules. 20 µ joules. 18 µ joules. 10 µ joules. 55.1 µ joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances? 1.5 Ω and 3 Ω. 3 Ω and 6 Ω. 6 Ω and 9 Ω. 3 Ω and 9 Ω. 1.5 Ω and 3 Ω. 3 Ω and 6 Ω. 6 Ω and 9 Ω. 3 Ω and 9 Ω. ANSWER DOWNLOAD EXAMIANS APP
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