Electric Circuits An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are 25 Ω and 5 Ω. 40 Ω and 40 Ω. 40 Ω and 200 Ω. 50 Ω and 200 Ω. 25 Ω and 5 Ω. 40 Ω and 40 Ω. 40 Ω and 200 Ω. 50 Ω and 200 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The unit of resistivity is Ω. Ω / m². Ω / metre. Ω - metre. Ω. Ω / m². Ω / metre. Ω - metre. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.4. 0.85. 0.9. 0.6. 0.4. 0.85. 0.9. 0.6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following capacitor will have least value of breakdown voltage? Ceramic. Mica. Electrolytic. Paper. Ceramic. Mica. Electrolytic. Paper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of sine wave is 100 A. Its peak value is 282.8 A. 150 A. 141.4 A. 70.7 A. 282.8 A. 150 A. 141.4 A. 70.7 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is 4C Farad. C Farad. 2C Farad. 16C Farad. 4C Farad. C Farad. 2C Farad. 16C Farad. ANSWER DOWNLOAD EXAMIANS APP