An electric heater draws a constant current of 6 a, with an applied voltage of 220 v for 10 hours. determine the total amount of energy supplied to the heater by electrical work, in kwh

Respuesta :

The total amount of energy supplied to the heater by electrical work is = 13.2 kWh.

How can we determine the total amount of energy supplied to the heater by electrical work?

To calculate the total amount of energy supplied to the heater by electrical work, we are using the formula here,

Pₓ= P×t

Pₓ= V×I×t

Here we are given,

V= An applied voltage to the heater by electrical work.

= 220V.

I= A constant current to the heater by electrical work.

= 6A.

t= The time for being the voltage is supplied to the heater by electrical work.

= 10h.

We have to calculate the value of Pₓ, total amount of energy in 10 hour.

Now we put the known values in the above equation, we get,

Pₓ= V×I×t

Or, Pₓ= 220×6×10

Or, Pₓ=13200 Wh

Or,  Pₓ=13.1 kWh.

Now from the above calculation we can conclude that, the total amount of energy supplied to the heater by electrical work is = 13.2 kWh.

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