Exercise: Diode Applications

Questions for: Diode Applications

An open circuit can have any voltage across its terminals, but the current is always ________.
A:
5 A
B:
0 A
C:
1 A
D:
Answer: B
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How many terminals do the 7800 series fixed positive voltage regulators have?
A:
2
B:
3
C:
4
D:
5
Answer: B
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If the ac supply is 50 Hz, what will be the ripple frequency out of the full-wave rectifier?
A:
50 Hz
B:
60 Hz
C:
100 Hz
D:
120 Hz
Answer: C
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Determine V2.

A:
3.201 V
B:
0 V
C:
4.3 V
D:
1.371 V
Answer: D
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Determine the current level if E = 15 V and R = 3 k.

A:
0 A
B:
4.76 mA
C:
5 mA
D:
5 A
Answer: B
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