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R G PUBLICATION-ALTERNATING CURRENT-EXERCISE
- A capacitor allows only a.c. to pass through. Why?
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- Calculate the phase difference between voltage and current when circui...
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- Calculate the energy stored in a capacitor.
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- With a diagram show that in pure resistor, the voltage and current are...
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- An ac voltage is applied to a series of LCR circuit. Determine the in...
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- "Larger the value of Q, the smaller of the value of 2 Delta omega or t...
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- A resistor of 100Omega and a capacitor of 20/pi muF are connected in s...
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- Show that the LC oscillation is similar to the mechanical oscillation ...
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- What are the main two types of transformer.
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- A transformer is used to illuminate a bulvb (36 watt and 12v) with the...
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- Calculate the total resistance in L-C-R circuit by mathematical method...
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- Calculate the phase difference between voltage and current at resonanc...
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- The instantaneous current from an a.c. source is given by I=5sim 314t....
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- The electric mains in house are marked 220V, 50 Hz. Write down the equ...
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- A sinusoidal voltage V=200 sin 314t is applied to a resistor of 10 Ome...
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- A sinusoidal voltage V=200 sin 314t is applied to a resistor of 10 Ome...
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- What should be the frequency of alternating 200V so as to pass maximum...
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- A 3muF capacitor is connected to a 220V, 50 Hz a.c. source. Calculate ...
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- Obtain the resonance frequency of a series LCR circuit with L=2H. C=32...
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- An inductor 20 mH, a capacitor 50 μF and a resistor 40 Ω are connected...
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