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(C) The force acting on a moving charge in the presence of both electric and magnetic fields is known as the Lorentz force.The force due to the electr

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$q\overrightarrow{E} + q(\overrightarrow{V} 	imes \overrightarrow{B})$

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(C) The force acting on a moving charge in the presence of both electric and magnetic fields is known as the Lorentz force.The force due to the electric field is given by $\overrightarrow{F}_{e} = q\overrightarrow{E}$.The force due to the magnetic field is given by $\overrightarrow{F}_{m} = q(\overrightarrow{V} 	imes \overrightarrow{B})$.Therefore,the total force $\overrightarrow{F}$ acting on the charge is the vector sum of these two forces:$\overrightarrow{F} = \overrightarrow{F}_{e} + \overrightarrow{F}_{m} = q\overrightarrow{E} + q(\overrightarrow{V} 	imes \overrightarrow{B})$.

$A$ charge moves with velocity $\overrightarrow{V}$ through an electric field $\overrightarrow{E}$ as well as a magnetic field $\overrightarrow{B}$. Then the force acting on it is:

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