Unit 2: Electricity & Magnetism Exam Review

Which of the following is transferred in order for static electricity to occur?

• Protons

• Electrons

• Neutrons

• All of the above

What kind of charge does an object have if it has gained electrons?

• Positive

• Negative

• Neutral

What law does static electricity illustrate?

• Law of Conservation of Energy

• Law of Conservation of Charge

• Law of Conservation of Matter

When the plastic coating around a cord is damaged, why does the cord become hazardous?

• The damaged cord looks bad

• The damaged coating exposes the wires and can electrocute someone

What unit is used when measuring the push that causes a charge to move?

• Volts

• Resistance

• Amps

• None of the above

What creates the charge in an electrical current?

• Electrons

• Protons

• Neutrons

Which of the following describes the tendency for the conducting material to oppose the flow of electrons?

• Resistance

• Conductive ability

According to Ohm's law what would happen if the current was increased and the resistance was held constant?

• Voltage would decrease

• Voltage would increase

• Voltage would stay the same

Which of the following is a circuit that has only one loop?

• series

• parallel

Which type of circuit has two or more branches for the current to flow through?

• series

• parallel