An Electric Oven of 2 Kw is Operated in a Domestic Electric Circuit (220 V) that Has a Current Rating of 5 A. What Result Do You Expect? Explain. - Science

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An electric oven of 2 kW is operated in a domestic electric circuit (220 V) that has a current rating of 5 A. What result do you expect? Explain.

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Solution

Current drawn by the electric oven can be obtained by the expression,
P = VI

Where,
Current = I
Power of the oven, P = 2 kW = 2000 W
Voltage supplied, V = 220 V

I = 2000/220 = 9.09 A
Hence, the current drawn by the electric oven is 9.09 A, which exceeds the safe limit of the circuit. Fuse element of the electric fuse will melt and break the circuit.

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Chapter 13: Magnetic Effects of Electric Current - Intext Questions [Page 238]

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NCERT Science Class 10
Chapter 13 Magnetic Effects of Electric Current
Intext Questions | Q 2 | Page 238

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