Magnetic Effects Of Current

Question
In the figure, shown the magnetic induction at the centre of there arc due to the current in portion AB will be


In The Figure, Shown The Magnetic Induction At The Centre Of...
Options:
A. μ0ir
B. μ0i2r
C. μ0i4r
D. Zero

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Answer: Option D
: D

The magnetic induction at O due to the current in portion AB will be zero because it lies on ABwhen extended.

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