Digital Concepts - General Questions (5)

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Digital Concepts - General Questions

33.

Which component is shorted?

A.	R1
B.	R2
C.	R3
D.	R4

Answer: Option D

Explanation:

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34.

If two parallel-connected resistors dissipate 6 watts and 10 watts of power, then what is the total power loss?

A.	3.75 watts
B.	4 watts
C.	16 watts
D.	60 watts

Answer: Option C

Explanation:

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35.

In the given circuit, Channel 1 of the stereo amplifier outputs 12 V to the speakers. How much total current is the amplifier providing to the speakers?

A.	0 A
B.	1.5 A
C.	3 A
D.	More information is needed to find the total current provided to the speakers.

Answer: Option C

Explanation:

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36.

A parallel circuit differs from a series circuit in that a parallel circuit has

A.	no path for current flow
B.	fewer paths for current flow
C.	one path for current flow
D.	more than one path for current flow

Answer: Option D

Explanation:

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37.

Components that connect in parallel form:

A.	branches
B.	open circuits
C.	short circuits
D.	a voltage divider

Answer: Option A

Explanation:

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38.

What happens to total resistance in a circuit with parallel resistors if one of them opens?

A.	It increases.
B.	It halves.
C.	It remains the same.
D.	It decreases.

Answer: Option A

Explanation:

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39.

What is the total power loss if 2 k omega 2 and 1 k omega 2 parallel-connected resistors have an I_T of 3 mA?

A.	6 W
B.	36 W
C.	6 mW
D.	36 mW

Answer: Option C

Explanation:

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40.

The voltage across any branch of a parallel circuit:

A.	varies as the total current varies
B.	is inversely proportional to total circuit resistance
C.	is equally applied to all branch conductances
D.	is dropped in proportion to each branch resistance

Answer: Option C

Explanation:

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Digital Concepts - General Questions (5)

Digital Concepts - General Questions

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