LAP 4 Inductance & Capacitance
Questions and Answers 100% Correct
____________ is the characteristic of an electromagnetic device that opposes any
change in current flow. - ANS-inductance
_________________ devices use a magnetic field to produce a desired output. - ANS-
electromagnetic
_______-________ relays often use RC circuits to obtain a desired time delay. - ANS-
time delay
2 common types of switch contacts used in relays are :
single-pole, ______-________
_________-______, double-throw - ANS-double throw
double pole
3 styles of capacitors- true
non polarized
polarized or electrolytic
variable - ANS-true
A _________ is basically an electrically-controlled switch. - ANS-relay
A ____________ is a device that can store electrical energy. - ANS-capacitor
A _____________ in a fluorescent light fixture is a special type of inductor. - ANS-
ballast
A _____________ is most often used to produce linear motion. - ANS-solenoid
A ______________ capacitor can be used in AC or DC circuits. - ANS-nonpolarized
A capacitor can be tested by measuring its resistance with an ohmmeter, which allows
the user to determine if the dielectric is __________. - ANS-shorted
A capacitor in a DC circuit will charge to a voltage equal to the __________ voltage. -
ANS-source
A charged capacitor acts like an _________ in a DC circuit. - ANS-open
A motor produces ____________ motion. - ANS-rotary
Questions and Answers 100% Correct
____________ is the characteristic of an electromagnetic device that opposes any
change in current flow. - ANS-inductance
_________________ devices use a magnetic field to produce a desired output. - ANS-
electromagnetic
_______-________ relays often use RC circuits to obtain a desired time delay. - ANS-
time delay
2 common types of switch contacts used in relays are :
single-pole, ______-________
_________-______, double-throw - ANS-double throw
double pole
3 styles of capacitors- true
non polarized
polarized or electrolytic
variable - ANS-true
A _________ is basically an electrically-controlled switch. - ANS-relay
A ____________ is a device that can store electrical energy. - ANS-capacitor
A _____________ in a fluorescent light fixture is a special type of inductor. - ANS-
ballast
A _____________ is most often used to produce linear motion. - ANS-solenoid
A ______________ capacitor can be used in AC or DC circuits. - ANS-nonpolarized
A capacitor can be tested by measuring its resistance with an ohmmeter, which allows
the user to determine if the dielectric is __________. - ANS-shorted
A capacitor in a DC circuit will charge to a voltage equal to the __________ voltage. -
ANS-source
A charged capacitor acts like an _________ in a DC circuit. - ANS-open
A motor produces ____________ motion. - ANS-rotary
