A very long straight wire carries a current I. At the instant when a charge +Q at point P has velocity \overrightarrow{v}, as shown, the force on the charge is (2005)

Class 12 NEET Physics Moving Charges and Magnetism

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A very long straight wire carries a current I. At the instant when a charge +Q at point P has velocity

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, as shown, the force on the charge is

(2005)

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