Question

a geyser has rating 200 watt and 240 volts what is the electrical energy consumed by it in kilowatt hour if used 1 hour each day?​

Answer 1

The required energy is 0.2 kWh

Please see attachment for detailed answer

Don't mind about the potential difference

Answer 2

Given that,

Power of geyser, P = 200 W

Voltage, V = 240 V

To find,

The electrical energy consumed by it if used 1 hour each day.

Solution,

Electric power is given by energy consumed per unit time. It is given by :

$P=\dfrac{E}{t}$

E is energy consumed

$E=P\times t\\\\E=200\ W\times 1\ h\\\\E=0.2\ kWh$

So, the energy consumed by the geyser is 0.2 kWh.

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