1.

An electron having a charge c moves with a velocity v in X - direction . An electric field acts on it in Y - direction ? The force on the electron acts in

Answer»

positive direction of Y - axis
negativedirection of Y - axis
positive direction of Z - axis
negativedirection of Z - axis

Solution :`vecF_e = - qvecE` , where `-ive ` sign COMES due to electron , which has negative charge . It is CLEAR from EXPRESSION that force on electron is opposite to electric field i.e., in negative direction .


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