A Coiled Loop of Wire Is in the Field Region

question 68

Multiple Choice

A coiled loop of wire is in the field region between the pole tips of an electromagnet.Which of the following things would NOT result in an induced EMF in the coil?

• A) Rotation of the coil
• B) Pulling the coil partly out of the field region
• C) Increasing or decreasing the current in the electromagnet
• D) Flexing the coil and changing its shape,keeping the perimeter the same
• E) None of these choices will work.

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