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The Greek symbol “Ω” represents the ____________________.

A(n) ____________________ is the number of electrons passing a given point in one second.

The __________ is the negatively charged particle of an atom.

Static electricity has some limited practical uses, such as in electrostatic spray-painting and electrostatic air filters.

The unit for energy and work is the watt.

A __________ is matter that has no definite volume or definite shape.

__________ is the most commonly used conductor.

Frequent switching of contacts causes sulfidation of silver contacts.

An electric switch uses ____________________ electrification.

Gold-plated contacts are used in high-current applications.