Understanding Electrical Terms Quiz

What is the primary function of a circuit breaker in an electrical circuit?

• To increase the voltage

• To protect the circuit by interrupting the flow of current in case of overload

• To store electrical energy

• To convert AC to DC

Which of the following best defines a conductor in the context of electricity?

• A material that resists the flow of electric current

• A material that allows the flow of electric current

• A device that stores electric charge

• A device that converts electrical energy into mechanical energy

What is electric current?

• The rate of flow of electric charge

• The force between two charged objects

• The potential difference between two points

• The resistance to the flow of charge

Which particle is positively charged?

• Electron

• Neutron

• Proton

• Photon

What is the unit of resistance?

• Volt

• Ampere

• Ohm

• Coulomb

How is voltage defined in an electrical circuit?

• The rate of flow of electric charge

• The energy per unit charge

• The opposition to the flow of current

• The force between two charges

What is the main difference between a series circuit and a parallel circuit?

• A series circuit has multiple paths for current, while a parallel circuit has only one path

• A series circuit has only one path for current, while a parallel circuit has multiple paths

• A series circuit increases voltage, while a parallel circuit decreases voltage

• A series circuit decreases resistance, while a parallel circuit increases resistance

What is the role of a generator in an electrical system?

• To store electrical energy

• To convert mechanical energy into electrical energy

• To increase the resistance in a circuit

• To decrease the voltage in a circuit

What is the difference between alternating current (AC) and direct current (DC)?

• AC flows in one direction, while DC changes direction periodically

• AC changes direction periodically, while DC flows in one direction

• AC is used in batteries, while DC is used in household outlets

• AC has a constant voltage, while DC has a varying voltage

What is the electric force between two charges given by Coulomb's law?