Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R = r. R < r. R > r. None of these R = r. R < r. R > r. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the inductance. 2.25 µF. 1.58 µF. 6.37 µF. 0.47 µF. 2.25 µF. 1.58 µF. 6.37 µF. 0.47 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which quantity should be measured by the voltmeter ? Speed Power Current Voltage Speed Power Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In parallel RC circuit total current is 5A and current through resistor is 3A. What is the current through capacitor? 5A 2A 3A 4A 5A 2A 3A 4A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 4.123 V. 5 V. {3 + 2(1.141)} V. 7 V. 4.123 V. 5 V. {3 + 2(1.141)} V. 7 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Internal resistance of ideal current source is infinite finite zero 100 ohms infinite finite zero 100 ohms ANSWER DOWNLOAD EXAMIANS APP