1.

In an LR-circuit, the inductive reactance is equal to the resistance R of the circuit. An e.m.f. \[E={{E}_{0}}\cos (\omega t)\] applied to the circuit. The power consumed in the circuit is [MP PMT 1997]

A.            \[\frac{E_{0}^{2}}{R}\]     
B.            \[\frac{E_{0}^{2}}{2R}\]
C.            \[\frac{E_{0}^{2}}{4R}\]  
D.            \[\frac{E_{0}^{2}}{8R}\]
Answer» D.            \[\frac{E_{0}^{2}}{8R}\]


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