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A metal conductor of length 1m rotates v...

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 `0.2xx10^(-4)T`, then the emf developed between the two ends of hte conductor is

A

`5muV`

B

`50muV`

C

`5mV`

D

`50 mV`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH INSTITUTE-ELECTROMAGNETIC INDUCTION-Assignment (SECTION - A)
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  2. In a uniform magneitc field of induced B a wire in the form of a semic...

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  3. A metal conductor of length 1m rotates vertically about one of its end...

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  4. A copper disc of radius 0.1 m is roated about its centre with 20 revol...

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  5. Two coils of self-inductance 2mH and 8 mH are placed so close togethe...

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  6. The equivalent quantity of mass in electricity is

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  7. Dimensional formula of self-inductance is

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  8. A time varying magnetic flux passing through a coil is given by phi=xt...

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  9. A metalic ring is dropped down, keeping its plane perpendicular to a c...

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  10. Lights of a car become dim when the starter is opereterd. Why?

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  11. Coefficient of coupling between two coils of self-inductances L(1) and...

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  12. There is a uniform magnetic field directed perpendicular and into the ...

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  13. A square loop of wire with side length 10 cm is placed at angle of 45^...

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  14. A uniformly wound solenoid coil of self inductance 1.8xx10^(-4)H and r...

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  15. The magnitude opf the earth's magnetic field at a place is B(0) and th...

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  16. Two parallel rails of a railway track insulated from each other and wi...

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  17. Answer the following questions : (a) When a low flying aircraft pass...

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  18. Electric field induced by changing magnetic fields are

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  19. A circular loop of radius R, carrying current I, lies in x-y plane wit...

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  20. A helicopter rises vertically upwards with a speed of 100 m//s. If the...

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