XT Terms Quiz Wk2

This is the type of electrical current, in which the direction of the flow of electrons switches back and forth because it is produced by a generator

• Unidirectional Current (UC)
• Alternating Current (AC)
• Static Current (SC)
• Direct Current (DC)

This is a device that converts an electric signal to sound waves using a magnet.

• Amplifier
• Headphones
• Speaker
• Microphone

This is an electric current flowing in one direction only, because it is produced by a battery.

• Direct current (DC)
• Alternating current (AC)
• Inverted current (IC)
• Random current (RC)

This is a device that uses electrical current and magnets to spin a shaft and create mechanical (kinetic) energy.

• Magnetic motor
• Electric generator
• Magnetic generator
• Electric motor

The special name given for a variable resistor. Common uses are light dimmers and volume knobs.

• resistometer
• ohmmeter
• voltmeter
• potentiometer

This is an instrument designed to measure electric current, voltage, and  resistance.

• Ohmmeter
• Ammeter
• Multimeter
• Voltmeter