Electronics And Communication Test Preparations On Diodes and Applications Part 1
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Test Preparation on Electronics And Communication Test Preparations On Diodes and Applications Part 1
1.
What is a varistor?
1
a voltage-dependent resistor
2
a voltage-dependent diode
3
a current-dependent resistor
4
a current-dependent diode
2.
Which type of transformer is required to create a 180 degree input to a rectifier?
1
center-tapped secondary
2
step-down secondary
3
stepped-up secondary
4
split winding primary
3.
What circuit activity may shift a characteristic curve so that diode operating points are different?
1
higher power (heat)
2
higher resistance
3
lower voltage
4
lower current
4.
The dc current through each diode in a bridge rectifier equals:
1
the load current
2
half the dc load current
3
twice the dc load current
4
one-fourth the dc load current
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