Physics
NULL
Medium
Question
Coil of a galvanometer is suspended in a radial magnetic field so that the deflecting torque on the coil is always___________________?
A
BINA cosa
B
BINA sina
C
BINA tana
D
BINA
✓ Official correct answer
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A
BINA cosa
No member explanations yet for this option.
B
BINA sina
No member explanations yet for this option.
C
BINA tana
No member explanations yet for this option.
D
BINA
No member explanations yet for this option.
Explanation
In a radial magnetic field, the plane of the coil is always parallel to the field, so the deflecting torque (NIAB) is independent of the deflection angle.
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