# physics

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When does a magnetic field induce maximum EMF in a wire moving with a constant velocity?
A. When the wire is moved at an angle of 60 degrees to the direction of the magnetic field
B. When the wire is moved at right angles to the magnetic field
C, When the wire is moved parallel to the magnetic field
D. When the wire is moved at an angle of 30 degrees to the direction of the magnetic field
Is it B??

The polarity of an electromagnetic can be determined using the second right-hand rule.
A. True
B. False
Is it B?

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