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Questions  >>  CBSE XII  >>  Physics  >>  Current Electricity
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A heating element using michrome connected to a 230V supply draws an initial current of 3.2A Which settles after a few seconds to a steady value of 2.8A. What is the steady temperature of the heating element if the room temperature is 27.0 ? Temperature coefficient of resistance of michrome averaged over the temperature range involved is 1.70×104C1

867.2C1024C127C27C

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