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Two identical heaters of 220V , 1000 W are placed in parallel with each other across 220V line, then the combined power is

a)

1000 W

b)

2000 W

c)

500 W

d)

4000 W



Question ID - 151695 | SaraNextGen Top Answer

Two identical heaters of 220V , 1000 W are placed in parallel with each other across 220V line, then the combined power is

a)

1000 W

b)

2000 W

c)

500 W

d)

4000 W

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

Let the resistance of the two heaters be denoted by

Then, 

In parallel combination of resistances,

Given, 

Hence,

127 votes


127