DC Terms

What is the unit of measurement used to express the flow of electrons (electrical current)?

• Coulomb

• Volt

• Ampere

• Ohm

What is a battery primarily used for in an electrical circuit?

• To increase current

• To store chemical energy and make it available in electrical form

• To convert AC to DC

• To regulate voltage

What determines the resistance of a conductor?

• Length, width, and material

• Cross-sectional area, length, temperature, and material

• Voltage and current

• The amount of magnetic flux

Which of the following is a characteristic of a good conductor?

• High resistance

• Low resistance

• High capacitance

• Low capacitance

What is the basic unit of electrical quantity?

• Ampere

• Volt

• Coulomb

• Ohm

What is the flow of electrons through a conductor known as?

• Resistance

• Capacitance

• Current

• Inductance

What is the unit of measurement for current flow?

• Volt

• Coulomb

• Watt

• Ampere

What characterizes direct current (DC)?

• The flow of electrons in alternating directions

• The flow of electrons in one direction with constant voltage and current

• The flow of electrons with varying voltage

• The flow of electrons with intermittent breaks

What is the charge of an electron?

• Positive

• Neutral

• Negative

• Variable

Electrons are involved in which of the following processes?

• Nuclear fusion

• The conduction of electricity

• Magnetic field generation

• Chemical bonding only

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