A long metalic strip 1.8 cm wide and 1.0 mm thick is placed in a1.4-T magnetic field as in the (Figure 1). When a steady current of17 A passes through it, the Hall emf is measured to be 1.02 μV.Figure1 of 1 Part A Determine the drift velocity of the electrons.Express your answer to two significant figures and include theappropriate units. vd v d = Previous AnswersRequest AnswerIncorrect; Try Again; 5 attempts remaining Part B Determine thedensity of free (conducting) electrons (number per unit volume) inthe copper. Express your answer using two significant figures. n n= nothing electrons/m3 Request Answer Provide Feedback Incorrect.Incorrect; Try Again; 5 attempts remaining. No additionalfeedback.