A battery is connected between two points A and B on the circumfe… - Vidyadip

MCQ

A battery is connected between two points A and B on the circumference of a uniform conducting ring of radius r and resistance R. One of the arcs AB of the ring subtends an angle θ at the centre. The value of the magnetic induction at the centre due to the current in the ring is

A
Proportional to 2(180° - θ)
B
Inversely proportional to r
C
Zero, only if θ = 180°
✓
Zero for all values of θ

✓

Answer

Correct option: D.

Zero for all values of θ

Zero for all values of θ

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