Alternating Current - Result Question 25

25. What is the value of inductance L for which the current is maximum in a series LCR circuit with C=10μF and ω=1000s1 ?

[2007]

(a) 1mH

(b) cannot be calculated unless R is known

(c) 10mH

(d) 100mH

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Answer:

Correct Answer: 25. (d)

Solution:

  1. (d) Condition for which the current is maximum in a series LCR circuit is,

ω=1LC1000=1L(10×106)L=100mH



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