Elec Quiz 3 Flashcards
the minimum amount of current required to activate a relay is called
Pick up current
what is normally closed contact
a switch that is closed in the relaxed or unpowered position
what term denotes a double pole, single throw, normally open switch
DPST-NO
A diode with low resistance both directions is probably
shorted
what is a circuit breaker designed to protect
wires
the cathode on a diode is
Negative
what is the bias voltage on a silicon semiconductor
0.7 Volts
what are the three connections on a transistor
Base
Emitter
Collector
what is the main difference between a fuse and a circuit breaker
a circuit breaker can be reset
can a primary cell be recharged
No
to increase the voltage of two batteries you should hook them in
Series
the Negative pole on a battery is the
Cathode
the closed circuit voltage of a battery will always be higher than the open circuit voltage
False
to increase the current output of two batteries you should hook them in
Parallel
if a transistor is on, what is the voltage between base and emitter
0.7V