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JEE MAIN_2023
S2_24.01.23
Question
A metallic rod of length 'L' is rotated with an angular speed of ‘’ normal to a uniform magnetic field 'B' about an axis passing through one end of rod as shown in figure. The induced emf will be :
Select the correct option:
A
$\frac{1}{4} \mathrm{~B}^2 \mathrm{~L} \omega$
B
$\frac{1}{4} \mathrm{BL}^2 \omega$
C
$\frac{1}{2} \mathrm{~B}^2 \mathrm{~L} \omega$
D
$\frac{1}{2} B^2 L^2 \omega$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Physics
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