midterm hvac electrical Questions and Correct
Answers
_____ are the particles that orbit the core of an atom
✓ ~~~ electrons
______ is the force that pushes free electrons through conductors
✓ ~~~ voltage
name 3 terms meaning voltage
✓ ~~~ electromotive force (emf) potential difference and eletrical pressure
a device used to generate electricity is called a
✓ ~~~ voltage source
name 6 voltage sources
✓ ~~~ battery, generator, solar cell, thermocouple, alternator, transformer secondary
is voltage current?
✓ ~~~ no
electric current is ________ flowing through a conductor
✓ ~~~ electrons
, _______ is the measurement of current flow
✓ ~~~ amperage
amperage tells the _____ of electrons moving thru a conductor
✓ ~~~ amount
what device is used to check amperage?
✓ ~~~ ammeter
conductors provide a ____ for current
✓ ~~~ path
a circut with a complete path for current is said to have ________
✓ ~~~ continuity
do wires have continuity?
✓ ~~~ yes
_______ _______ reverses direction at regular intervals
✓ ~~~ alternating current
current alternates (reverses direction) two times every _____
✓ ~~~ cycle
Answers
_____ are the particles that orbit the core of an atom
✓ ~~~ electrons
______ is the force that pushes free electrons through conductors
✓ ~~~ voltage
name 3 terms meaning voltage
✓ ~~~ electromotive force (emf) potential difference and eletrical pressure
a device used to generate electricity is called a
✓ ~~~ voltage source
name 6 voltage sources
✓ ~~~ battery, generator, solar cell, thermocouple, alternator, transformer secondary
is voltage current?
✓ ~~~ no
electric current is ________ flowing through a conductor
✓ ~~~ electrons
, _______ is the measurement of current flow
✓ ~~~ amperage
amperage tells the _____ of electrons moving thru a conductor
✓ ~~~ amount
what device is used to check amperage?
✓ ~~~ ammeter
conductors provide a ____ for current
✓ ~~~ path
a circut with a complete path for current is said to have ________
✓ ~~~ continuity
do wires have continuity?
✓ ~~~ yes
_______ _______ reverses direction at regular intervals
✓ ~~~ alternating current
current alternates (reverses direction) two times every _____
✓ ~~~ cycle
