Problem: Which of the following statements are true concerning electromagnetic induction? Check all that apply.A. It is possible to induce a current in a closed loop of wire located in a uniform magnetic field by either increasing or decreasing the area enclosed by the loop. B. It is possible to induce a current in a closed loop of wire by change the orientation of a magnetic field enclosed by the wire.C. It is possible to induce a current in a closed loop of wire by changing the strength of a magnetic field enclosed by the wire. D. It is possible to induce a current in a closed loop of wire without the aid of a power supply or battery. E. It is possible to induce a current in a closed loop of wire located in a uniform magnetic field.

FREE Expert Solution

Magnetic flux:

ϕB=BAcosθ

A current is induced in a closed loop if the magnetic flux changes with time. 

The flux changes if any of the following changes:

  • the strength of the magnetic field
  • Area of the loop
  • The angle between the magnetic field and the area
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Problem Details

Which of the following statements are true concerning electromagnetic induction? Check all that apply.

A. It is possible to induce a current in a closed loop of wire located in a uniform magnetic field by either increasing or decreasing the area enclosed by the loop. 

B. It is possible to induce a current in a closed loop of wire by change the orientation of a magnetic field enclosed by the wire.

C. It is possible to induce a current in a closed loop of wire by changing the strength of a magnetic field enclosed by the wire. 

D. It is possible to induce a current in a closed loop of wire without the aid of a power supply or battery. 

E. It is possible to induce a current in a closed loop of wire located in a uniform magnetic field.

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