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Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as-

Question

Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as-

A.

2 : 3

B.

2 : 5

C.

3 : 2

D.

5 : 2

Solution

Correct option is B

So, the resistance ratio is 2:5.

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