Electric Circuits Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be 66.66. 36.36. 76.66. 40.25. 66.66. 36.36. 76.66. 40.25. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The terminals across the source are ___________ if a voltage source is to be neglected. short circuited. open circuited. replaced by a shunt resistance. replaced by a series resistance. short circuited. open circuited. replaced by a shunt resistance. replaced by a series resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit : Switch is closed at t = 0 Find i(0 +) 0. V/R. V / {R + (sL + 1 / Cs)}. (V*L) / (R*C) 0. V/R. V / {R + (sL + 1 / Cs)}. (V*L) / (R*C) ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 100 Ohms. 400 Ohms. 200 Ohms. 50 Ohms. 100 Ohms. 400 Ohms. 200 Ohms. 50 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant of RC series circuit is 2RC L/R 2L/R RC 2RC L/R 2L/R RC 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 18 µ joules. 55.1 µ joules. 10 µ joules. 20 µ joules. 18 µ joules. 55.1 µ joules. 10 µ joules. 20 µ joules. ANSWER DOWNLOAD EXAMIANS APP
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