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MCQ Resonance in LCR Circuit, Class 12 Physics

1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. A pure resistance R, pure capacitance C and pure inductance L are connected in series and the impedance of the circuit at resonance is Z0. If they are connected in parallel to each other, the maximum impedance at resonance will be:

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Question 1 of 10

2. At resonance the impedance of RLC circuit is

1

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Question 2 of 10

3. Ratio 1 is equal to

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Question 3 of 10

4. When the oscillations produced are of constant amplitude. The are called

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Question 4 of 10

5. Find the series resonance frequency when L = 0.09 H, C = 25 F

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Question 5 of 10

6. Measure of sharpness in an ac circuit is given by

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Question 6 of 10

7. In a series RCL circuit at resonance the applied ac voltage is 220 V. The potential drop across the inductance is 110V, what is the potential drop across the capacitor?

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Question 7 of 10

8. Acceptor circuit is

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Question 8 of 10

9. An ac circuit contains a resistance R, capacitance C and inductance L in series with a source of emf ε = ε0sin (ωt - Ø). The current through the circuit is maximum when:

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Question 9 of 10

10. Resonant circuits are used in tuning of

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Question 10 of 10

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