Physics
A dynamo is used to convert

Electrical energy into magnetic energy
Magnetic energy into mechanical energy
Mechanical energy into electrical energy
Electrical energy into mechanical energy

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Physics
The mass defect is the result of what action occurring?

Energy being converted into moles of atoms when neutrons break apart protons
Mass being converted to energy when protons and neutrons break apart in a nucleus
Mass being converted to energy when protons and neutrons bind together in a nucleus
Protons and electrons being attracted to each other

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