Exam 15: Basics of Electrical Systems

The amount of electricity produced in the vehicle's generator is dependent on _____.

Technician A says when there is a complete path through the electrical circuit, the circuit is said to be open. Technician B says when the circuit path is broken or interrupted the circuit is said to be closed. Who is right?

What is a relay?

Amperage stays constant in a circuit, but the voltage drops as it powers a load.

In the formula E = I x R, E represents _____.

Which of the statements concerning parallel circuits is NOT true?

A circuit that is incomplete is called a(n) ____________________ circuit.

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

Why is a relay used in a circuit?

If there is voltage in a circuit, there must be electrons flowing through the circuit.

The term ampere was assigned to units of current in honor of André Ampere, who studied the relationship between electricity and magnetism.

What is the difference between voltage and current?

Describe the difference between alternating and direct current.

One watt is equal to one volt multiplied by one ampere.

Why can wire sizes be smaller when higher system voltages are used?