JEE Mains 03-Sep-2020 Shift 2 Solved Paper

Section: Physics
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Question : 14 of 75
 
Marks: +1, -0
A uniform magnetic field B exists in a direction perpendicular to the plane of a square loop made of a metal wire. The wire has a diameter of 4 mm and a total length of 30 cm .
The magnetic field changes with time at a steady rate
dB
dt
=0.032Ts1.
The induced current in the loop is close to
(Resistivity of the metal wire is 1.23×108Ωm )
[3 Sep 2020 Shift 2]
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