Electric Circuits A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is 2.4 k Ω. 7.2 k Ω. 3.6 k Ω. 1.2 k Ω. 2.4 k Ω. 7.2 k Ω. 3.6 k Ω. 1.2 k Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 100 Hz. 1000 Hz. 1 Hz. 10 Hz. 100 Hz. 1000 Hz. 1 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is represented by the hypotenuse of impedance triangle? Reactance drop. Impedance drop. Apparent power. Resistance drop. Reactance drop. Impedance drop. Apparent power. Resistance drop. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The greater the internal resistance of a cell the lesser the terminal voltage. the lesser the emf. the greater the emf. the greater the terminal voltage. the lesser the terminal voltage. the lesser the emf. the greater the emf. the greater the terminal voltage. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Unit of apparent power is VA. Watts. KWhr. VAR. VA. Watts. KWhr. VAR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced three Phase Y-connected load has one phase voltage VB = 277∠45o V. The phase sequence is RYB. The line to line voltage VRY is 480∠ - 45o V. 480∠45o V. 339∠45o V. 339∠- 45o V. 480∠ - 45o V. 480∠45o V. 339∠45o V. 339∠- 45o V. ANSWER DOWNLOAD EXAMIANS APP