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Byju's Answer

Standard XII

Chemistry

Nernst Equation

The cost at 5...

Question

The cost at 5 paise / KWH of operating an electri
motor for 8 hours which takes 15 ampere at 110V is:

Rs.66

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66 paise

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37 paise

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Rs.6.60

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Solution

The correct option is B 66 paise
$C u r r e n t \times V o l t a g e \times t i m e = 15 A \times 110 V \times 8 h r = 13200 W H = 13.2 K W H .$
Hence, $C o s t = 13.2 K W H \times \frac{5 p a i s e}{1 K W H} .$
=66 paise.

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The cost at 5 paise / KWH of operating an electri motor for 8 hours which takes 15 ampere at 110V is:

The correct option is B 66 paiseCurrent×Voltage×time=15A×110V×8hr=13200WH=13.2KWH.Hence, Cost=13.2KWH×5paise1KWH.=66 paise.

The cost at 5 paise / KWH of operating an electri
motor for 8 hours which takes 15 ampere at 110V is:

The correct option is B 66 paise
$C u r r e n t \times V o l t a g e \times t i m e = 15 A \times 110 V \times 8 h r = 13200 W H = 13.2 K W H .$
Hence, $C o s t = 13.2 K W H \times \frac{5 p a i s e}{1 K W H} .$
=66 paise.