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Alternating Current

Lcr circuit

Assertion: In series L-C-R circuit, if a ferromagnetic rod is

Question

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Solving time: 2 mins

Assertion: In series $L - C - R$ circuit, if a ferromagnetic rod is inserted inside an inductor, current in the circuit may increase or decrease.
Reason : By doing so $X_{L}$ will increase.

SELECT MULTIPLE OPTION

If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

If Assertion is true, but the Reason is false.

If Assertion is false but the Reason is true.

Views: 5,350 students

Book:

Electricity and Magnetism (DC Pandey)

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Amelia Discussed

Assertion: In series

L - C - R

circuit, if a ferromagnetic rod is inserted inside an inductor, current in the circuit may increase or decrease.
Reason : By doing so

X_{L}

will increase.

14 mins ago

Discuss this question LIVE

14 mins ago

Text solutionVerified

Z = R^{2} + (X_{C} - X_{L})^{2}

X_{L}

will increase. So,

Z

may increase or decrease, depending on the value of

X_{C}

.Therefore, current may decrease or increase.

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Question Text	Assertion: In series $L - C - R$ circuit, if a ferromagnetic rod is inserted inside an inductor, current in the circuit may increase or decrease. Reason : By doing so $X_{L}$ will increase.
Topic	Alternating Current
Subject	Physics
Class	Class 12
Answer Type	Text solution:1
Upvotes	115

Assertion: In series $L - C - R$ circuit, if a ferromagnetic rod is inserted inside an inductor, current in the circuit may increase or decrease.
Reason : By doing so $X_{L}$ will increase.

Text solutionVerified

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Assertion: In series $L - C - R$ circuit, if a ferromagnetic rod is inserted inside an inductor, current in the circuit may increase or decrease.
Reason : By doing so $X_{L}$ will increase.