Foundation
Physics Foundation
EMI
Question

A wire carrying a current of 5 A is placed perpendicular to a magnetic induction of 2T. The force on each centimeter of the wire is :

100 N

0.1 N

1 N

10 N

JEE Advance
College PredictorLive

Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.

Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA

Solution
Verified BY
Verified by Zigyan

Current in wire,     I = 5A

magnetic induction, B = 2T

suppose length of wire is m

Then force on wire, F = BI

Force on wire per metre length, F=BI = 2 × 5 = 10 N/m

Force on wire per cm length = 10100 =0.1 N/cm.

Lock Image

Please subscribe our Youtube channel to unlock this solution.