A metal wire of mass ‘ $m$ ’ slides without friction on two horizontal rails placed at a distance ‘ $l$ ’ apart. The track lies in a uniform vertical magnetic field B. If a constant current ‘ $i$ ’ flows along the wire, the acceleration of the wire is

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

$m B i l$

$\frac{B m i}{l}$

$\frac{B i l}{m}$

$\frac{m i l}{B}$

answer is C.

(Unlock A.I Detailed Solution for FREE)

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

Force on wire, $F = B i l \sin 90 ° = B i l$ .

It acts perpendicular to the magnetic field as well as the length of wire. The acceleration in the wire.
$a = \frac{F}{m} = \frac{B i l}{m}$

Watch 3-min video & get full concept clarity

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test