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Length of solenoid is having 5000 turns ...

Length of solenoid is having 5000 turns is 40 cm. Magnetic field produced inside it is _____ T if 10 A electric current passes through it.

A

0.0157

B

0.0314

C

0.0628

D

0.1

Text Solution

Verified by Experts

The correct Answer is:
A
`B=(mu_(0)NI)/l`
`=(4xx3.14xx10^(-7)xx500xx10)/0.4`
= 0.0157 T
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KUMAR PRAKASHAN-MOVING CHARGES AND MAGNETISM-SECTION D (MULTIPLE CHOICE QUESTIONS)
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