Indicate true or false in each of the following statements: Energy is stored in

Question

Indicate true or false in each of the following statements: Energy is stored in a magnetic field-Energy is stored in a magnetic field. I The current in a coil of wire can never change without generating an emf. When the current in a coil varies an emf is generated. An inductor, in which the electric current is changing, generates an emf whose sign is the same as the emf that is causing the current to flow in the inductor. A free proton in a magnetic field will move when the magnetic field changes

Explanation / Answer

TRUE, TRUE, TRUE, FALSE, FALSE

1) magnetostatic energy

2)even while switch is on or off it's create emf

3) faradey law

4) lenz law

5) velocity should be non-zero

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