Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is increase by two times. halved. remain same. doubled. increase by two times. halved. remain same. doubled. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? The current through each bulb is same. The power dissipation in each bulb is not same. The voltage across each bulb is not same. None of these The current through each bulb is same. The power dissipation in each bulb is not same. The voltage across each bulb is not same. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit. 6.98. - 6.28. 9.59. - 9.59. 6.98. - 6.28. 9.59. - 9.59. 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. 50 Ohms. 200 Ohms. 400 Ohms. 100 Ohms. 50 Ohms. 200 Ohms. 400 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is apparent power in AC operation? Product of voltage and current at full load. Product of rms voltage and rms current. Product of voltage and current at no load. Product of voltage and current. Product of voltage and current at full load. Product of rms voltage and rms current. Product of voltage and current at no load. Product of voltage and current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two point charges of 4μC are placed at a distance of 3 cm apart from each other in free space. Force acting on two charges will be 100 N 400 N 0.02 N 160 N 100 N 400 N 0.02 N 160 N ANSWER DOWNLOAD EXAMIANS APP