CBSEClass 12PhysicsAlternating Current
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1. In series resonant circuit:

2. In parallel resonant circuit:

3. The no. of turns in the primary coil of a transformer is 200 and the no. of turns in the secondary is 10. If 240 V a.c. is applied to primary, the output from the secondary

4. Transformer works on the principle of:

5. Which of the following effects is not shown in alternating current ?

6. An ac ammeter connected in series in an ac circuit reads 5A. The peak value of current:

7. The phase difference b/w the A.C. and e.m.f. \(\frac{π}{2}\) Which of the following can not be the instituent of the circuit?

8. The Q factor of an LCR circuit at resonance is :

9. Faraday constant:

10. The natural frequency of an L -C-Circuit is equal to :

Practice more on Alternating Current
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