SSC JE Electrical Engineering 2017 Set 3 Paper

Question : 184 of 200

Marks: +1, -0

A lighting sub-circuit has 100W lamps. If the rated current of the fused in this circuit is 5A, the maximum number of light points on this circuit without violating regulations and safety should be___

Validate

Solution:

Maximum number of light point

{\supply \voltage \fuse \poting}/{\Power \rating \of \sub \circuit}

≥

{120×5}/100=6

So maximum number of light point is ‘8’.

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