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CHETANA PUBLICATION-Electromagnetic Induction-EXERCISE
- Define Mutual inductance or coefficient of mutual induction? State the...
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- A magnetic flux associated with a coil changes by 5xx10^-2 Wb in 25 se...
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- The current in one coil increasesfrom0 to 500 mA in 0.1 ms. The induce...
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- An emf of 100 mV is induced in a conductor of length 1.2m when it move...
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- The current increases at the rate of 10A s^-1 in the coil of inductan...
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- The current in a coil changes from zero to 5A in 0.2 seconds, due to w...
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- The mutual inductance between the two coils is 2 xx 10^-2H.Due to the ...
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- A step down transformer, connected to mains supply 240V is made to ope...
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- The primary winding of a transformer has 300 turns and its secondary w...
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- A coil of effective area 10m^2 is placed at right angles to a magnetic...
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- The current increases at the rate of 10A s^-1 in the coil of inductan...
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- A coil of effective area 4m^2 is placed at right angles to a magnetic ...
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- A rectangular coil (0.5 m xx 0.4m) has a resistance of 5Omega . The co...
01:55
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- A rectangular coil (0.5 m xx 0.4m) has a resistance of 5Omega . The co...
03:27
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- A coil of area 0.75 m^2 and 1000 turns is kept perpendicular to a magn...
04:01
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- Find the self-inductance of a circuit in which an e.m.f. of 10V is ind...
01:58
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- The mutual inductance of a pair of coils is 0.75H. If the current in t...
02:23
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- A step down transformer has 800 turns in the primary. The supply volta...
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- A coil of effective area 2m^2 is placed at right angles to a magnetic ...
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- The back e.m.f. induced in an inductive coil is 100 V when the current...
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- The coefficient of mutual inductance between a pair of coils is 5mH. F...
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