﻿ The electric main in a house is marked 220V-50Hz. Write down the equation for instantaneous voltage. : Kaysons Education

# The Electric Main In A House Is Marked 220V-50Hz. Write Down The Equation For Instantaneous Voltage.

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## Question

### Solution

Correct option is

The equation for the alternating voltage is

Where V is instantaneous voltage and Vo the peak value of the voltage.

.

Also = 50 Hz. Substituting values of Vo and f in eq. (i), we get

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