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NEW JOYTHI PUBLICATION-ELECTROMAGNETIC INDUCTION -COMPETITIVE EXAM CORNER
- A 50 Hz ac current of peak value 2 A flows through one of the pair of ...
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- The unit of self-inductance is
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- A 0.1 m long conductor carrying a current of 50 A is held perpendicula...
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- Two solenoids of equal number of turn have their lengths and the radii...
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- Two identical coaxial coils P and Q carrying equal amount of current i...
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- The self inductance of a long solenoid cannot be increased by
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- The rate of change of current of 10As^(-1) in a coil produces an emf o...
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- The magnetic flux (in weber) linked with a coil of resistance 10Omega ...
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- The self-inductance of an air core solenoid of 100 turns is 1 mH. The ...
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- Identify the wrong statement
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- Electromagnetic induction is not used in
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- The polarity of induced emf is given by
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- A conducting ring of radius 1 m kept in a uniform magnetic field B of ...
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