Average and RMS Value of Alternating Current and Voltage
Average and RMS Value of Alternating Current and Voltage: Overview
This topic covers concepts, such as, Average Value of a Function, Average Value of Time Dependent Function, Form Factor & Peak Factor etc.
Important Questions on Average and RMS Value of Alternating Current and Voltage
The instantaneous current and voltage of an AC circuit are given by and . The power dissipation in the circuit is

The RMS value of voltage of the waveform shown below is, , find the value of .

An alternating voltage is connected to a micro farad capacitor through an AC ammeter. The reading of the ammeter shall be:

If a capacitor of is connected to a , AC source and the current passing through it is then the rms voltage across it is

The form factor is the ratio of

Find the form factor of the wave form given in figure-

Form factor of a sawtooth waveform with a period of and a peak voltage of is-

The value of sinusoidally varying current is_____. That of its average value.

The form factor of the sinusoidal waveform is ?

A wire is carrying a direct current of and a sinusoidal alternating current of peak value . Find the value of the resulting current

An AC voltage (in Volt) varies with time (in seconds) as .
The peak value of voltage, the value of the voltage and the frequency respectively are

In an ac generator, the no. of turns in the coil is and the area of the coil is . The coil is rotating at an angular frequency of in a magnetic field of , what is the peak value of the induced emf?

The peak factor of the sinusoidal wave form is?

The value from positive to negative peak of the sine wave si called?

The r-m-s value of AC voltage in terms of and is always same for a complete cycle.

The r-m-s value of and is _____ times for a complete cycle. Here, is peak voltage.

Compare the r-m-s value of and for a complete cycle. Here, is peak voltage.

The voltage supplied to a circuit is given by where is in sec. The value of voltage for period to is

AC voltage supplied to resistor of resistance is . The value of current is

If the peak value of current in a.c. supply is then the average value of alternating current for time-interval is _____?
