In which of the following situations will there be no force\

Question

Professor PC Thomas Classes · Answer

(a) Like currents attract
(b)There will be a force Bqv\(c)The +ve charge will induce-ve charge in the soft iron and attract it\(d)The field inside a solenoid is parallel to the axis of the solenoid. Hence the motion of the particle is parallel to the field. So there will be no force.\