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VMC MODULES ENGLISH-ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT -IMPECCABLE
- An electric generator is based on :
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- In any AC circuit the emf (e) and the current (i) at any instant are g...
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- In step-up transfomer, the relation between number of turns in primary...
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- The oscillating electric and magnetic field vectors of electromagnetic...
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- Alternating current is transmitted to take place
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- An AC ammeter is used to measure current is a circuit . When a given d...
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- An AC source is 120 V-60 Hz. The value of voltage after 1/720 s from...
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- Two solenoids of equal number of turns have their lengths and the radi...
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- An electric motor turns on DC source of emf 200 V and drawn a current ...
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- In an circuit, V and I are given by V=150sin(150t) V and I =150sin(150...
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- In an electrical circuit, R, L, C and ac voltage source are all connec...
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- The instantaneous values of alternating current and voltages in a circ...
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- A coil of self-inductance L is connected in series with a bulb B and a...
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- An inductor 20 mH, a capacitor 50muF and a resistor 40Omega are connec...
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- A small signal voltage V(t) = V(0)sin omegat is applied across an idea...
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- The magnetic potential energy stored in a certain inductor is 25 mJ, w...
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- An inductor 20 mH, a capacitor 100muF and a resistor 50Omega are conne...
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- A 800 turn coil of effective area 0.05 m^(2) is kept perpendicular to ...
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