Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 150 Hz. 0 Hz. 50 Hz. 100 Hz. 150 Hz. 0 Hz. 50 Hz. 100 Hz. 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 resistance. 480 Ohms. 100 Ohms. 500 Ohms. 1000 Ohms. 480 Ohms. 100 Ohms. 500 Ohms. 1000 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be 0.128 Ω. 0.032 Ω. 0.016 Ω. 0.064 Ω. 0.128 Ω. 0.032 Ω. 0.016 Ω. 0.064 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in the resistor R shown in figure will be 0.2 A. 0.8 A. 0.4 A. 0.6 A. 0.2 A. 0.8 A. 0.4 A. 0.6 A. 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. 10 2.5 1 - 1.25 10 2.5 1 - 1.25 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy required to charge a 10 μF capacitor to 100 V is 5 × 10-9 J. 0.05 J. 0.01 J. 10 × 10-9 J. 5 × 10-9 J. 0.05 J. 0.01 J. 10 × 10-9 J. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS