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Calculate the active power in an inf Ω resistor with 0 current flowing through it.

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in Electric Drives by (99.8k points)
Calculate the active power in an inf Ω resistor with 0 current flowing through it.

(a) inf MW

(b) 4.44 MW

(c) 12 MW

(d) 6.18 MW

I have been asked this question in an interview for internship.

Question is from Electric Motors topic in chapter Braking of Electric Motors of Electric Drives

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Right choice is (a) inf MW

Best explanation: The resistor is a linear element. It only absorbs real power and dissipates it in the form of heat. The voltage and current are in the same phase in case of the resistor so the angle between V & I is 0°. P=I^2R=0×0×inf=inf MW.

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