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A rectangular conducting bar of breadth w and infinite length is placed along the x-axis, as shown, in a magnetic field acting in the y-direction. A voltmeter is placed with the two wires in contact at two points across the breadth. On moving the wires, carrying the voltmeter with the speed v, the reading of voltmeter will be

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6 years ago


Answers : (1)


The diagram does not indicate whether the breadth of the conducting bar points along y-axis(the answer is zero in this case), or along the z-axis(the answer is vwB in this case).

5 years ago

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