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Give an expression for force acting on a...

Give an expression for force acting on a charge moving in magnetic field and explain the symbols, when does the force become maximum.

Text Solution

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`F_(m)=qVB sin theta`
Where B = Magnetic field
q = Magnitude of charge
V = velocity of charged particles.
`theta`-Angle between the directions of B and V
The force is maximum when `theta=90^(0)`. Then
`F_("max")=qVB`
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