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Alternating Current question bank (Physics)

Practice 355 free MHT-CET Physics - Alternating Current questions with answers and step-by-step solutions.

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Q1.

A series LCR circuit is connected to a source of alternating e.m.f. of $50$ V. The potential difference across inductor and capacitor is $80$ V and $50$ V respectively. The potential difference across the resistor is

(A)

$80$ V

(B)

$70$ V

(C)

$50$ V

(D)

$40$ V

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Q2.

A step down transformer connected to an a.c. mains of $220$ V is made to operate at $5.5$ V, $44$ W lamp. The current in the primary circuit is (Ignore power losses)

(A)

$0.22$ A

(B)

$0.4$ A

(C)

$0.2$ A

(D)

$0.25$ A

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