Indicate true or false in each of the following statements: 1. The energy of a m

Question

Indicate true or false in each of the following statements: 1. The energy of a magnetic field is proportional to the square of the magnetic field strength. 2. An inductor, in which the electric current is changing, generates an emf whose sign is opposite that which is causing the current to flow in the inductor. 3. A free proton in a magnetic field will move when the magnetic field changes. 4. When the current in a coil varies an emf is generated. 5. The maximum current that flows in an inductor connected across the terminals of a battery is limited by the internal resistance of the battery and the finite resistance of the coil of wire from which the inductor is made.

Explanation / Answer

1. false

2.true

3.true

4.false

5.true

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