Q. 94.0( 1 Vote )

A coil of inductance 5.0 mH and negligible resistance is connected to the oscillator of the previous problem. Find the peak currents in the circuit for ω= 100 s–1, 500 s–1, 1000s–1.

Answer :

Given: Inductance of a coil= 5.0 mH and


Peak voltage


{a} At ω= 100 s–1


Reactance of a coil is given by


Then,




Here is angular velocity


Peak current




{b} At ω= 500 s–1


Reactance of a coil is given by


Then,




Here is angular velocity


Peak current




{c} At ω= 1000 s–1


Reactance of a coil is given by


Then,




Here is angular velocity


Peak current




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