600 Final Review Neiep Questions and
Correct Answers
Zener current will decrease - Correct Answer: Refer to figure 1. If the load resistance R2 is reduced by
half what happens what happens to zener diode?
4v - Correct Answer: Refer to figure 1. The zener diode is designed to breakdown at 6VDC what is the
voltage drop across R1 with a constant DC supply of 10VDC
30 rpm - Correct Answer: An elevators motor rotates at 1200 rpm at contract speed and is geard at a
ratio of 40:1. If the motor turns 40 rpm the sheave turns 1 rpm. What is the actual speed of the drive
sheave in rpms?
The output will go to zero - Correct Answer: Refer to figure 2. For the comparator circuit shown, what
will happen to the output of the non-inverting input goes more positive than the inverting input?
-20 mv - kCorrect kAnswer: kRefer kto kfigure k3. kFor kthe kinverting kop kamp kshown, kwhat kis kthe koutput
kvoltage?
Saturation k- kCorrect kAnswer: kWhich kterm kdefines kthe klimit kof kmagnetic kstrength karound kan
kinductor keven kthough kthe kcurrent kthrough kthe kcoil kincreases
Voltage kis kremoved kfrom kanode kto kcathode k- kCorrect kAnswer: kWhich kof kthe kfollowing kdescribes
khow kan kSCR kis kturned kOFF?
Top kright k- kCorrect kAnswer: kOn kthe kfourteen kpin kDIP kIC kshown kin kfigure k4 kwhat kis kthe klocation
kof kpin k14
1507 kohms k- kCorrect kAnswer: kA kbrake kcoil khas kan kinductance kof k4 khenries. kIf kthe kcoil kwas
kplaced kinto ka kcircuit kwith kan koperating kfrequency kof k60hz kthe kcoil kwould khave ka kresistance
kof:
light k- kCorrect kAnswer: kThe kphotodiode kwill kconduct kcurrent kwhen kit kdetects
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, A krelay ktimer k- kCorrect kAnswer: kWhat kdoes kthe kcircuit kin kfigure k5 krepresent?
12.5 kA k- kCorrect kAnswer: kA kstring kof ktemporary klighting khas kfifteen k100 kwatt kbulbs. kA k15 kamp
kbreaker kis kthe kmaximum ksize kthat kcan kbe kused kwith kthe k14 kgauge kwire kused kin kthis k120 kvolt
kcircuit. kWhat kis kthe kcurrent?
4.61 khenries k- kCorrect kAnswer: kIf ka kcircuit khas kthree kinductors kin kparallel kof k10, k15, kand k20
khenries, kwhat kis kthe ktotal kinductance?
LED k- kCorrect kAnswer: kWhat kdoes kthe ksymbol kin kfigure k6 krepresent?
A k.7V kdrop kfrom kbase-to-emitter kis kan kindication kof ka kgood kjunction k- kCorrect kAnswer: kWhich kof
kthe kfollowing kstatements kis kcorrect kwhen ktesting ktransistors?
An kSCR k- kCorrect kAnswer: kWhat kdoes kthe ksymbol kshown kbelow krepresent?
5 kseconds k- kCorrect kAnswer: kWhat kis kthe klength kof ktime krequired kto kcharge ka k500-microfarad
kcapacitor kin kseries kwith ka k10K kohm kresistor kto kthe kmaximum kapplied kvoltage kof k125 kVDC? k(TC
k= kR kx kC)
It kis knearly kequal kto kthe kemitter kcurrent k- kCorrect kAnswer: kWhich kof kthe kfollowing kis kcorrect
kabout kcollector kcurrent kof ka ktransistor?
4400 kpounds k- kCorrect kAnswer: kThe kentire kcab kassembly, kincluding kthe kcar ksling, kcab kdoors,
koperator, ketc., kweighs k3400 klbs. kThe kcapacity kof kthe kelevator kis k2500 klbs. kThe kcar kmust kbe
kcounterweighted kat k40% kof kcapacity kplus kthe kweight kof kthe kcar kassembly. kWhat kis kthe kweight
kof kthe kcounterweight kassembly?
The kability kto kresist kchanges kin kcurrent kflow k- kCorrect kAnswer: kWhat kis kthe kmost kimportant
kproperty kan kinductor kpossesses?
Placing ktwo kcapacitors kin kseries kdecreases kthe kcapacitance. k- kCorrect kAnswer: kWhich kstatement kis
kcorrect kregarding kcapacitors?
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Correct Answers
Zener current will decrease - Correct Answer: Refer to figure 1. If the load resistance R2 is reduced by
half what happens what happens to zener diode?
4v - Correct Answer: Refer to figure 1. The zener diode is designed to breakdown at 6VDC what is the
voltage drop across R1 with a constant DC supply of 10VDC
30 rpm - Correct Answer: An elevators motor rotates at 1200 rpm at contract speed and is geard at a
ratio of 40:1. If the motor turns 40 rpm the sheave turns 1 rpm. What is the actual speed of the drive
sheave in rpms?
The output will go to zero - Correct Answer: Refer to figure 2. For the comparator circuit shown, what
will happen to the output of the non-inverting input goes more positive than the inverting input?
-20 mv - kCorrect kAnswer: kRefer kto kfigure k3. kFor kthe kinverting kop kamp kshown, kwhat kis kthe koutput
kvoltage?
Saturation k- kCorrect kAnswer: kWhich kterm kdefines kthe klimit kof kmagnetic kstrength karound kan
kinductor keven kthough kthe kcurrent kthrough kthe kcoil kincreases
Voltage kis kremoved kfrom kanode kto kcathode k- kCorrect kAnswer: kWhich kof kthe kfollowing kdescribes
khow kan kSCR kis kturned kOFF?
Top kright k- kCorrect kAnswer: kOn kthe kfourteen kpin kDIP kIC kshown kin kfigure k4 kwhat kis kthe klocation
kof kpin k14
1507 kohms k- kCorrect kAnswer: kA kbrake kcoil khas kan kinductance kof k4 khenries. kIf kthe kcoil kwas
kplaced kinto ka kcircuit kwith kan koperating kfrequency kof k60hz kthe kcoil kwould khave ka kresistance
kof:
light k- kCorrect kAnswer: kThe kphotodiode kwill kconduct kcurrent kwhen kit kdetects
This study source was downloaded by 100000899442186 from coursesidekick.com on 06-07-2025 23:13:18 GMT -05:00
https://www.coursesidekick.com///17033837
, A krelay ktimer k- kCorrect kAnswer: kWhat kdoes kthe kcircuit kin kfigure k5 krepresent?
12.5 kA k- kCorrect kAnswer: kA kstring kof ktemporary klighting khas kfifteen k100 kwatt kbulbs. kA k15 kamp
kbreaker kis kthe kmaximum ksize kthat kcan kbe kused kwith kthe k14 kgauge kwire kused kin kthis k120 kvolt
kcircuit. kWhat kis kthe kcurrent?
4.61 khenries k- kCorrect kAnswer: kIf ka kcircuit khas kthree kinductors kin kparallel kof k10, k15, kand k20
khenries, kwhat kis kthe ktotal kinductance?
LED k- kCorrect kAnswer: kWhat kdoes kthe ksymbol kin kfigure k6 krepresent?
A k.7V kdrop kfrom kbase-to-emitter kis kan kindication kof ka kgood kjunction k- kCorrect kAnswer: kWhich kof
kthe kfollowing kstatements kis kcorrect kwhen ktesting ktransistors?
An kSCR k- kCorrect kAnswer: kWhat kdoes kthe ksymbol kshown kbelow krepresent?
5 kseconds k- kCorrect kAnswer: kWhat kis kthe klength kof ktime krequired kto kcharge ka k500-microfarad
kcapacitor kin kseries kwith ka k10K kohm kresistor kto kthe kmaximum kapplied kvoltage kof k125 kVDC? k(TC
k= kR kx kC)
It kis knearly kequal kto kthe kemitter kcurrent k- kCorrect kAnswer: kWhich kof kthe kfollowing kis kcorrect
kabout kcollector kcurrent kof ka ktransistor?
4400 kpounds k- kCorrect kAnswer: kThe kentire kcab kassembly, kincluding kthe kcar ksling, kcab kdoors,
koperator, ketc., kweighs k3400 klbs. kThe kcapacity kof kthe kelevator kis k2500 klbs. kThe kcar kmust kbe
kcounterweighted kat k40% kof kcapacity kplus kthe kweight kof kthe kcar kassembly. kWhat kis kthe kweight
kof kthe kcounterweight kassembly?
The kability kto kresist kchanges kin kcurrent kflow k- kCorrect kAnswer: kWhat kis kthe kmost kimportant
kproperty kan kinductor kpossesses?
Placing ktwo kcapacitors kin kseries kdecreases kthe kcapacitance. k- kCorrect kAnswer: kWhich kstatement kis
kcorrect kregarding kcapacitors?
This study source was downloaded by 100000899442186 from coursesidekick.com on 06-07-2025 23:13:18 GMT -05:00
https://www.coursesidekick.com///17033837
