Chapter Quiz 39B

Creating electricity by exerting force on a crystal is called ________.

• electromagnetic induction
• thermoelectric effect
• magnetoelectric effect
• piezoelectric effect

What term describes the movement of electrons from one atom to another?

• Electricity

• Energy transfer

• Chain reaction

• None of these

Technician A says that a two-wire variable resistor is called a rheostat. Technician B says that a three-wire variable resistor is called a potentiometer. Which technician is correct?

• Technician A only

• Technician B only

• Both technicians

• Neither technician

The outer electron shell is known as a(n) ________.

• valence ring
• distant ring

• unstable shell

• None of these

The fact that voltage can be created by exerting force on a crystal is used for which type of sensor?

• Throttle position (TPS)

• Manifold absolute pressure (MAP)

• Barometric sensor (BARO)

• Knock sensor (KS)

Which device produces electrical current resulting from the heating of two dissimilar conductors?

• Thermocouple

• Volt meter

• Ammeter

• None of these

Which of these is also known as electrical potential?

• Volts

• Amps

• Ohms

• None of these

Electricity moving through a conductor produces a magnetic field. This principle is used in which of the following?

• Ignition coil

• Starter motor

• Relay

• All of these

Electrical power (watts) is calculated by ________.

• multiplying volts by current

• dividing voltage by current

• multiplying volts by ohms

• none of these

The automotive battery is based on the principle of ________.

• optics
• thermodynamics
• electrochemistry
• mechanics