IPC Unit 2 Mid Unit Exam Review

Which subatomic particle has a positive charge?

• neutrons

• protons

• electrons

• all of the above

Which subatomic particle has no charge?

• neutrons

• protons

• electrons

• all of the above

Which of the following subatomic particles are found outside the nucleus?

• neutrons

• protons

• electrons

• all of the above

An electron has what type of electrical charge?

• positive

• negative

• neutral

• varies

Which of the following describes the principle of conservation of charge?

• a charge is created

• a charge cannot be transferred

• charge cannot be created or destroyed, just transferred

• charge can be destroyed

Which of the following is a material that allows electrons to move easily through it?

• electrical charge

• static electricity

• conductor

• insulator

Rubber is which of the following?

• conductor

• electric field

• insulator

• electric charge

Static discharge differs from electric current because static discharge is described by which of the following?

• involves the movement of ions as well as electrons

• results because a force is exerted on electrons

• lasts for only a fraction of a second

• is the flow of electrons

Which of the following are voltage sources?

• Ohm's Law

• resistance

• electric charge

• batteries and wall sockets

The electrical current in a circuit is measured in which of the following units?

• volts

• resistance

• amperes

• pressure