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What is meant by mean or average value of alternating current ? Show that mean value of ac over a complete cycle is zero.

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PUNJAB BOARD PREVIOUS YEAR PAPERS-ALTERNATING CURRENTS-EXERSICE
  1. An alternating e.m.f is supplied through apure inductance. Investigate...

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  2. Derive an expression for average power in an LCR a.c. circuit.

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  3. Prove mathematically that the average value of alternating current ove...

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  4. Derive the expression for the impedance of an a.c. circuit with an ind...

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  5. Define root mean square value of an alternating current.

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  6. What do you mean by the average value of a.c. ? Derive the expression ...

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  7. Define root mean square value of an alternating current.

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  8. With the help of phasor diagram derive an expression for impedance in ...

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  9. Using phasor diagram, derive an expression for impedance of an a.c. ci...

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  10. Define root mean square value of an alternating current.

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  11. Derive a relation for the average power of an alternating current circ...

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  12. Derive an expression for average power of an AC (alternating current) ...

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  13. Derive average power associated with pureinductor.

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  14. Define impedance of an electric circuit. How it differs from ohmic res...

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  15. Define impedance of an electric circuit. How it differs from ohmic res...

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  16. Derive an expression for average power of an AC (alternating current) ...

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  17. Find a phase relation between current and voltage in an a.c. circuit c...

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  18. Finda phase relation between current and voltage in an a.c. circuit co...

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  19. Derive an expression for average power of an AC (alternating current) ...

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  20. What is meant by mean or average value of alternating current ? Show t...

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