Current Electricity and Electrical InstrumentEasy
Question
A small coil lies inside a larger coil. The two coils are horizontal, concentric and carry currents in the same direction. The small coil will experience :-
Options
A.A torque about a vertical axis
B.An upward force along the axis
C.A downward force along the axis
D.No resultant force
Solution
Inner loop lies in uniform field of outer loop.
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