Question

The peak voltage of an ac is 440volt.Itsvirtual voltage is

Answer 1

The peak voltage of an ac is 440 volt. Its virtual voltage is basically the root mean square voltage which is equivalent to the DC voltage that cause a little heating effect in resistive load.

Peak voltage* 0.707 = 440*0.707 = 311.08 volts

Answer 2

The virtual voltage of the circuit is $220\sqrt{2}\ volts$.

Explanation:

It is given that,

The peak voltage of an AC circuit is 440 volts

To find,

Virtual voltage

Solution,

Let $V_o$ is the virtual voltage of the circuit. It is given by in terms of peak voltage as follows :

$V_o=\dfrac{V}{\sqrt{2} }$

$V_o=\dfrac{440}{\sqrt{2} }$`

$V_o=220\sqrt{2}\ volts$

So, the virtual voltage of the circuit is $220\sqrt{2}\ volts$. Hence, this is the required solution.

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