Electric Circuits The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be 800 Ω. 400 Ω. 4 Ω. 40 Ω. 800 Ω. 400 Ω. 4 Ω. 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Given network is having N nodes and B branches, then number of twigs are N - 1. B - N + 1. N. B - N - 1. N - 1. B - N + 1. N. B - N - 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be 100 V, 50 Hz. 100√2 V, 100 Hz. 100 V, 100 Hz. 50√2 V, 100 Hz. 100 V, 50 Hz. 100√2 V, 100 Hz. 100 V, 100 Hz. 50√2 V, 100 Hz. 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. 1 - 1.25 2.5 10 1 - 1.25 2.5 10 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will increase. becomes zero. remains unchanged. decrease. increase. becomes zero. remains unchanged. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R. 4 Ω. 2 Ω. 1 Ω. 3 Ω. 4 Ω. 2 Ω. 1 Ω. 3 Ω. ANSWER DOWNLOAD EXAMIANS APP
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