Two coaxial solenoids of different radii carry current $I$ in the same direction. Let $\;{\overrightarrow {\;F} _1}$ be the magnetic force on the inner solenoid due to the outer one and $\;{\overrightarrow {\;F} _2}$ be the magnetic force on the outer solenoid due to the inner one. Then
Two coaxial solenoids of different radii carry current $I$ in the same direction. Let $\;{\overrightarrow {\;F} _1}$ be the magnetic force on the inner solenoid due to the outer one and $\;{\overrightarrow {\;F} _2}$ be the magnetic force on the outer solenoid due to the inner one. Then
- [JEE MAIN 2015]
- A
$\;\overrightarrow {{F_1}} $ is radially inwards and $\overrightarrow {{F_2}} $ is radially outwards
- B
$\;\overrightarrow {{F_1}} $ is radially inwards and $\overrightarrow {\;{F_2}} $$=0$
- C
$\overrightarrow {{F_1}} $ is radially outwards and $\overrightarrow {\;{F_2}} =0$
- D
$\overrightarrow {{F_1}} =\overrightarrow {\;{F_2}} =0$
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