pm final 2023

What is the name of the formula E = I x R?

• Ampere’s law
• Voltaire’s law
• Ohm’s law

What is the current in a 12-volt circuit with a 6-ohm resistor connected series?

• 2 amps
• 4 amps
• 6 amps

The unit for measuring electrical current is _____.

• amperes
• ohms
• volts

The unit for measuring electrical resistance is _____.

• amperes
• volts
• ohms

The unit for measuring electrical pressure (force) is _____.

• amperes
• volts
• ohms

Which of the following is a source of energy in an automobile’s electrical system?

• battery
• AC generator
• both answers are correct

Technician A says current will decrease with a decrease in resistance. Technician B says current will increase with an increase in resistance. Who is correct?

• Tech a
• Both
• Neither
• Tech b

Electricity is the flow of protons from one atom to another

• True
• False

The chemical reaction in a battery causes a lack of electrons at the positive (+) terminal

• True
• False

Electromotive force is measured in volts.

• True
• False