Question

how many bulbs in parallel can be fixed in an electric circuit which can supply a current of 10A at 220v, when the power of each lamp is 10w.

Answer 1

here is the answer it it 220 bulbs

Answer 2

The number of bulbs that can be fixed is 220 bulbs.

Explanation:

Let n be the no. of bulbs in the parallel,

Given that,

Voltage consumed by all bulbs = 220V

Each bulb takes a current = 10W

Using,

$I_{b}$ × $V_{b}$ = 10

$I_{b}$ × 220 = 10

$I_{b}$ = 1/22 = 0.0454A

To find the number of bulbs, we need to divide the current equally into n bulbs

∵ n * $I_{b}$ = 10A

n * 0.0454A = 10A

n = 10/0.454

n = 220.26

Thus, the number of bulbs that can be fixed is 220.

Learn more: find the number of bulbs

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