SSC JE Electrical Engineering 2013 Paper

Question : 107 of 200

Marks: +1, -0

How many watt-seconds are supplied by a motor developing 2 hp (British) for 5 hours?

Solution:

1 HP = 745.7 watt power
To convert watt-hour into watt-sec
= 745.7 × 2 × 60 × 60
=

2.68452 × 10^7

watt sec.

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