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BINA LIBRARY-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT-EXERCISE
- State Faraday's law of electromagnetic induction.
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- State len's Law of electromagnetic induction. Establish that lenz's La...
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- Define Coefficients of self induction write their SI units.
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- Find the expression for mutual inductance between a pair of co-axial c...
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- Briefly explain the working of A.C. generator.
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- What is virtual ampere? Deduce the relation I(mns)=I0/sqrt2
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- Prove that average power consumed in an ac circuit is P(av) =I(mns)* V...
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- A coil of area A, number of turns N and resistance R is rotating in a ...
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- The equation of an alternating voltage is V=100sin100πt volt. Find the...
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- If the rms current through a 6.8kΩ resistor is 8mA, Find the rms volta...
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- What is the advantage of using a transformer for long distance transmi...
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- State the working principle of a transformer. What is hysteresis loss ...
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- A cylindrical bar magnet is kept along the axis of a circular coil. Wi...
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- Why do birds fly off high tension when current is switched on?
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- What is an amplitude ?
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- Why are coils in resistance box double wounded?
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- Why is spark produced in the switch off a fan when it is put off?
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- A copper disc is allowed to swing through the two poles of a U-shaped ...
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- A light bulb is rated at 100W for a 220V supply. Find the peak voltage...
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- A light bulb is rated at 100W for a 220V ac supply. Calculate the resi...
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