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A particle with a specific charge s is f...

A particle with a specific charge s is fired with a speed v toward a wall at a distance d, perpendicular to the wall. What minimum magnetic field must exist in this region for the particle not to hit the wall?

A

`v/(sd)`

B

`(2v)/(sd)`

C

`v/(2sd)`

D

`v/(4sd)`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE-MOVING CHARGE AND MAGNESIUM-EXERCISE
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  2. A particle of charge per unit mass alpha is released from origin with ...

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  3. A particle with a specific charge s is fired with a speed v toward a w...

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  4. A particle of mass mand charge q, moving with velocity v enters Region...

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  5. A charged particle enters a magnetic field at right angles to the fiel...

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  6. A thin ring of radius R metre has charge q coulomb uniformly spread ...

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  7. Two similar circular loops of radius R are lying concentrically with t...

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  8. A circular coil carrying a certain, current produces a magnetic field ...

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  9. The magnetic induction at the centre of a current carrying circular co...

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  10. Same current i is flowing in the three infinitely long wires along pos...

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  11. Magnetic field at point O due to the given structure is

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  12. Magnetic field at the centre O due to the given structure is

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  13. A solenoid 1.5 metre and 4.0 cm in diameter possesses 10 turns/cm. A c...

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  14. Two thick wires and two thin wires, all of the same materais and sam...

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  15. Current I(0) flows through solenoid of length L having N number of tur...

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  16. A straight wire of mass 200 g and length 1.5 m carries a current of 2 ...

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  17. A conducting loop carrying a current I is placed in a uniform magnetic...

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  18. A circular coil of wire carries a current . PQ is a part of very long ...

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  19. A circular wire ABC and a straight conductor ADC are carrying current ...

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  20. A semicircular wire PQS of radius R is connected to a wire bent in the...

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