Questions
Magnetic field B in a cylindrical region of radius r varies according to the law as shown in the figure. A fixed conducting loop ABCDA of resistance R is lying in the region as shown. The current flowing through the loop is
detailed solution
Correct option is B
[ Step 1]:i=eR[ Step 2]:e=AdBdt[ Step 3]:=π6r2−a22B0[ Step 4]:∴i=r2−a2πB012RTalk to our academic expert!
Similar Questions
A square wire loop, of side a has a long straight wire carrying a constant current i that passes through the centre of the loop and perpendicular to its plane as shown in Fig.
The current induced in the square loop is
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