A resistor operated at 100v generates joule heat at a rate

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Reference no: EM13632256

A resistor operated at 100V generates Joule heat at a rate of 20W. When placed across a 220V source, it will draw a current of:

A. 0.1 A.
B. 2.27 A.
C. 44 A.
D. 0.44 A.
E. none of these.

Reference no: EM13632256

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