Question

the heater coil is cut into equal two pices these two pieces are arranged parallel and again worked in the same heater what appens to the quantity of heat generated

Answer 1

Answer: Resistance is cut into two equal parts, It will become two resistors in series. Substitute this in heat equation. The heat energy will become double. - a is the right answer.

Explanation:

Answer 2

Answer:

H=

R

V

2

t

After cutting equally, length becomes half.

R∝I

It means, resistance becomes half.

H=

2

R

V

2

t

H=2

R

V

2

t

Heat generated will be doubled.

Explanation:

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