Question

the electricity bill of your house shows that 200 units have been consumed in 1 month Express the electrical units consumed in joules​

Answer 1

Answer:

1 unit = 1kwhr=3.6*10^6 J

200 units= 200*3.6*10^6 J = 7.2*10^8 J

Answer 2

The electrical units consumed by the house is $5.18\times 10^{11}\ J$.

Explanation:

It is given that, the electricity bill of your house shows that 200 units have been consumed in 1 month. It is required to find the electrical units consumed by the house.

We know that,

200 units = 200 kWh

$200\ kWh=2\times 10^5\ Wh$

Time, t = 1 month = 720 hours

Electrical units consumed is given by :

$E=P\times t$

$E=2\times 10^5\ Wh \times 720\ h$

$E=1.44\times 10^8\ Wh$

$E=1.44\times 10^5\ kWh$

Since, $1\ kWh=3.6\times 10^6\ J$

$E=1.44\times 10^5\times 3.6\times 10^6$

$E=5.18\times 10^{11}\ J$

So, the electrical units consumed by the house is $5.18\times 10^{11}\ J$. Hence, this is the required solution.

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