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Electric Power

An air condit...

Question

An air conditioner is rated $240 V, 1.5 k W$ . The air conditioner is switched on $8 h r s$ each day. What is electrical energy consumed in $30 d a y s$ ?

A

2.88 k W h

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B

360 k W h

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C

120 k W h

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D

240 k W h

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Solution

The correct option is A $360 k W h$
Energy consumed is given by:
$E = P t$
$E$ : Energy consumed
$P$ : Power
$t$ : Time
$\Rightarrow E = 1.5 k W \times 30 \times 8 h r s$
$\Rightarrow E = 360 k W h$

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