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PUNJAB BOARD PREVIOUS YEAR PAPERS-ALTERNATING CURRENTS-EXERSICE
- An alternating e.m.f is supplied through apure inductance. Investigate...
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- Derive an expression for average power in an LCR a.c. circuit.
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- Prove mathematically that the average value of alternating current ove...
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- Derive the expression for the impedance of an a.c. circuit with an ind...
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- Define root mean square value of an alternating current.
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- What do you mean by the average value of a.c. ? Derive the expression ...
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- Define root mean square value of an alternating current.
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- With the help of phasor diagram derive an expression for impedance in ...
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- Using phasor diagram, derive an expression for impedance of an a.c. ci...
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- Define root mean square value of an alternating current.
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- Derive a relation for the average power of an alternating current circ...
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- Derive an expression for average power of an AC (alternating current) ...
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- Derive average power associated with pureinductor.
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- Define impedance of an electric circuit. How it differs from ohmic res...
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- Define impedance of an electric circuit. How it differs from ohmic res...
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- Derive an expression for average power of an AC (alternating current) ...
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- Find a phase relation between current and voltage in an a.c. circuit c...
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- Finda phase relation between current and voltage in an a.c. circuit co...
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- Derive an expression for average power of an AC (alternating current) ...
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- What is meant by mean or average value of alternating current ? Show t...
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