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A coil of inductance L has an inductive reactance of XLin an ac circuit in which the effective current is I. The coil is made from a superconducting material. The rate at which power is dissipated in the coil is

A.

B. I2XL

C. IXL

D. IXL2

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  7. Series resonant circuit is sometimes known as
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  17. How many coulombs are delivered by a storage battery in 25 hours if it is supplying current at the rate…
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    When two pure sine waves of the same frequency and the same amplitude which are exactly 180 outof-phase are added togethera the result is
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  21. When two in-phase sine waves that have identical frequency and amplitude are added togethera then the…
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  23. What is considered as the most important value of a sine wave?
  24. Effects of capacitance
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  26. The reason why electrical appliances are connected in parallel.
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    A lead conductor has a resistance of 25 at 0 C. Determine its resistance at -30 C
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