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Saurabh Sharma

· started a discussion

· 1 Months ago

A is correct (Question: 348252.0 )

if length is reduced, R will reduce, with less R, heater will draw more current thereby consuming more power.

Question:

If in an electric kettle, water boils in 10 minutes. If it is required to boil the water in 15 minutes, using same supply, then

Options:
A)

length of heating element shall be increases

B)

length of heating element shall be decreased

C)

length remains same

D)

None of the above

Solution:

Ans:(b)

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