Related Questions
The domestic power supply in India is 220 V AC. This 220 V refers to which quantity?
Peak voltage
Average voltage
RMS voltage
Instantaneous voltage
Using an A.C. Voltmeter the potential difference in the electrical line in a house is read to be 234 volt. If the line frequency is known to be 50 cycles/second, the equation for the line voltage is.
What is the instantaneous value of an AC current at t = 0, if the equation is given by ?
0A
10A
5A
1A
The peak value of an AC signal is 10V. What is its RMS value?
7.07V
10V
5V
14.14V
If an ac main supply is given to be 220 V. What would be the average e.m.f. during a positive half cycle
198V
386V
256V
None of these
The average value of a complete cycle of AC is:
Zero
Its peak value
Its RMS value
Half its peak value
An AC voltage source with is connected to a purely resistive load. If the peak instantaneous power delivered to the load is 200W, what is the average power delivered?
200 W
100 W
141.4 W
50 W
An AC voltage source has a peak value of 100V. What is its RMS value?
100V
70.7V
50V
141.4V
A non-ideal inductor with inductance L and internal resistance r is connected to an AC source with voltage . If the instantaneous current through the inductor is , which of the following expressions CORRECTLY represents the average power dissipated in the inductor?
0