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A cycle wheel with 10 spokes each of len...

A cycle wheel with 10 spokes each of length 0.5 m long is rotated at a speed of `18 km//hr` in a plane normal to the earth’s magnetic induction of `3.6 xx 10^-5 T`. Calculate the e.m.f. induced between the ends of single spoke and ten spokes.

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A cycle wheel with 10 spokes each of length 0.5 m long is rotated at a speed of 18 km//hr in a plane normal to the earth’s magnetic induction of 3.6 xx 10^-5 T . Calculate the e.m.f. induced between the axle and rim of the cycle wheel

A conductor of length 0.3 m moves with a uniform velocity of 10 m//s at right angles to the magnetic field of induction 0.5 xx 10^-4 Wb//m^2 . Calculate the e.m.f. induced in it.

A meter gauge train is running towards north with speed of 20 m/s .The vertical component of earth's magnetic field is 3 xx 10^_4 (Wb)/m^2 . Calculate the e.m.f. induced at the end of the axle.

A Conductor of length 10 cm is moved parallel to itself with a speed of 10 m/s at right angle to magnetic induction 10^_4(Wb)/m^2 . Find the e.m.f. induced in it.

An aircraftof wingspanof 50 m flieshorizontally in earth's magnetic field of 6 xx 10^-5 T at a speed of 400 m//s . Calculate the emf generated between the tips of the wing of aircarft.

A horizontal wire 20 m long extending from east to west is falling with a velocity of 10 m/s normal to the Earth s magnetic field of 0.5 xx 10^-4 T . What is the value of induced emf in the wire?

A metal rod of length 1 m is rotated about one of its endsin a plane at right anglesto a uniform magnetic field of induction 2.5 xx 10^-3Wb//m^2 . If it makes 1800 r.p.m. calculate the induced emf between it.

The conductor moving with uniform velocity of 10 m//s at right angles to the magnetic field of induction 0.4 xx 10^-4 Wb//m^2 . Calculate length of the conductor if the e.m.f. induced at the ends of conductor is 6 xx 10^-5V .

A metal conductor of length 1m rotates vertically about one of its ends at angular velocity 5 radians per second. If the horizontal component of earth's magnetic field is 0.2 xx 10^-4T , then the e.m.f. developed between the two ends of the conductor is

A square coil having500 turnseach of side10cm is placed normal to the magneticflux which increases of the rate of 1.0T//s . What is the e.m.f. induced.

CHETANA PUBLICATION-Electromagnetic Induction-EXERCISE
  1. A cycle wheel with 10 spokes each of length 0.5 m long is rotated at a...

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  2. A magnetic flux associated with a coil changes by 5xx10^-2 Wb in 25 se...

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  3. The current in one coil increasesfrom0 to 500 mA in 0.1 ms. The induce...

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  4. An emf of 100 mV is induced in a conductor of length 1.2m when it move...

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  5. The current increases at the rate of 10A s^-1 in the coil of inductan...

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  6. The current in a coil changes from zero to 5A in 0.2 seconds, due to w...

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  7. The mutual inductance between the two coils is 2 xx 10^-2H.Due to the ...

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  8. A step down transformer, connected to mains supply 240V is made to ope...

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  9. The primary winding of a transformer has 300 turns and its secondary w...

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  10. A coil of effective area 10m^2 is placed at right angles to a magnetic...

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  11. The current increases at the rate of 10A s^-1 in the coil of inductan...

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  12. A coil of effective area 4m^2 is placed at right angles to a magnetic ...

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  13. A rectangular coil (0.5 m xx 0.4m) has a resistance of 5Omega . The co...

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  14. A rectangular coil (0.5 m xx 0.4m) has a resistance of 5Omega . The co...

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  15. A coil of area 0.75 m^2 and 1000 turns is kept perpendicular to a magn...

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  16. Find the self-inductance of a circuit in which an e.m.f. of 10V is ind...

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  17. The mutual inductance of a pair of coils is 0.75H. If the current in t...

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  18. A step down transformer has 800 turns in the primary. The supply volta...

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  19. A coil of effective area 2m^2 is placed at right angles to a magnetic ...

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  20. The back e.m.f. induced in an inductive coil is 100 V when the current...

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  21. The coefficient of mutual inductance between a pair of coils is 5mH. F...

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