Exam 15: Basics of Electrical Systems

Technician A says the amount of electricity produced by an AC generator depends on the strength of the magnetic field. Technician B says it depends on the speed at which the magnetic field moves past the wires. Who is correct?

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

Electrical power is measured in ____________________.

Alternating current constantly changes in voltage and direction.

Electricity is the flow of protons from one atom to another.

Which statement concerning series circuits is NOT true?

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

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

Technician A says late model cars use maxifuses instead of fusible links. Technician B says fusible links are normally found in the engine compartment near the battery. Who is correct?

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

Voltage stays constant in a closed electrical circuit, but the amperage drops as it powers a load.

Technician A says the conventional theory of current flow states that current flows from negative to positive. Technician B says the electron current flow theory states that electrons move from negative to positive. Who is correct?

The function of a resistor in an electrical circuit is to limit _____.

Technician A says moving magnetic fields are a source of electrical energy in an automobile. Technician B says chemical reaction is the only source of electrical energy in an automobile. Who is correct?

An atom that has lost an electron has a ____________________ charge.

The unit for measuring electrical current is _____.

In a series circuit, current is always ____________________ throughout the circuit.

Identify the four basic parts of a typical automobile electrical circuit.

The current in an electrical circuit ____________________ when the resistance increases.

As temperature increases, the resistance of a NTC [negative temperature coefficient] thermistor ____________________.