CBSEClass 12PhysicsAlternating Current
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1. The average value of a cover a complete cycle is:

2. Power factor of an ac circuit is a measure of:

3. The dimensional formula of L/R is similar to that of:

4. Which of the following has dimensions different from the rest?

5. The dimensional formula of impedance is;

6. Energy dissipates in LCR circuit in :

7. An iron core transformer with a turns ratio of 8 : 1 has 120 V applied across the primary. The voltage across the

8. What is the ratio of inductive and capacitance reactances in an ac circuit?

9. An acceptor circuit is :

10. A broadcast circute broadcasts at 300 m band. A condenser of capacitance 2.4 lµF is available. The value of the inductance required for resonant circuit is:

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