Disconnect a Small-Voltage Battery from a Coil of Many Loops

question 70

Multiple Choice

Disconnect a small-voltage battery from a coil of many loops of wire and a large voltage may be produced by

• A)the sudden collapse in the magnetic field.
• B)latent energy in the battery.
• C)the resistance of the battery to a change in polarity.
• D)electrons already in the wire.
• E)the electric field between the battery terminals.

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