Electrical circuits

Peak factor is ratio of

• Peakvalue to rms value

• Rms value to peak value

• Average value of rms value

• Rms value of average value

The time period of 1KHz

• 1sec

• 0.1Sec

• 0.01sec

• 0.001sec

Which of the following ckt element is an active component

• Capacitor

• Transistor

• Inductor

• Resistor

When two capacitors are connected in series, the total capacitance

• Is double

• Is decreased

• Is increased

• Remains same

By using two wattmeter method, power can be measured in

• 3-ph, 3 wire

• 3-ph, 2 wire

• 3-ph, 4 wire

• 1-ph, 2 wire

Tesla is unit of

• Flux

• Field strength

• Current

• Flux density

Power factor of heater

• Unity

• 0.8 lag

• 0.8 lead

• Zero

Power factor of heater

• Unity

• 0.8 lag

• 0.8 lead

• Zero

Power factor of heater

• Unity

• 0.8 lag

• 0.8 lead

• Zero