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A long solenoid carrying a current produ...

A long solenoid carrying a current produces a magnetic field B along the axis. If the number of turns per cm is tripled and the current is halved, then the new value of the magnetic field will be

A

1.5 B

B

0.5 B

C

2 B

D

3 B

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CHETANA PUBLICATION-Magnetic Fields due to Electric Current-Exercise
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  12. In a cyclotron, the resonance condition is that the frequency of the r...

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  13. The magnetic field at the centre of the current carrying coil

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  14. If 'R' is the radius of dees and B the magnitude of the magnetic field...

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  15. A conductor of length '1' and carrying current "I" kept in uniform mag...

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  16. The magnetic field at a distance r from a long wire carrying current i...

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  17. A cyclotron is a device which is generally used to

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  18. In a cyclotron, the applied magnetic field

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  19. The electric field used in a cyclotron to accelerate charged particles...

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  20. In cyclotron, time period of revolution inside the dees is

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