Digital Concepts - General Questions (3)

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Digital Concepts - General Questions

17.

What procedure should be followed when troubleshooting with an ammeter or voltmeter?

A.	Short the leads and adjust.
B.	Check the meterâ€™s external power supply.
C.	Start with the highest scale and adjust down to a lower scale.
D.	Start with the lowest scale and adjust up to a higher scale.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

18.

If 550 mA of current leaves a node that had 250 mA entering from one branch, how much current would enter from the other?

A.	250 mA
B.	300 mA
C.	550 mA
D.	800 mA

Answer: Option B

Explanation:

No answer description available for this question.

19.

What would these meter readings indicate about the circuit in the given circuit?

Meter Readings: I = 0 mA, V = 0 V

A.	R1 is open.
B.	R2 is open.
C.	The fuse is open.
D.	The circuit is operating normally.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

20.

Kirchhoff's current law for parallel circuits states that the:

A.	sum of all branch voltages equals zero
B.	total circuit resistance is less than the smallest branch resistor
C.	sum of currents into a junction is equal to the difference of all the branch currents
D.	sum of the total currents flowing out of a junction equals the sum of the total currents flowing into that junction

Answer: Option D

Explanation:

No answer description available for this question

21.

What is the total resistance?

A.	7
B.	1
C.	706
D.	353

Answer: Option D

Explanation:

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22.

In a parallel resistive circuit:

A.	there is more than one current path between two points
B.	the voltage applied divides between the branches
C.	the total branch power exceeds the source power
D.	the total circuit conductance is less than the smallest branch conductance

Answer: Option A

Explanation:

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23.

When a parallel 5 k omega 2 resistor and a 25 k omega 2 resistor have a 10 V supply, what is the total power loss?

A.	2.4 mW
B.	3.3 mW
C.	24 mW
D.	33 mW

Answer: Option C

Explanation:

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24.

What are the individual values of two parallel resistors whose R_T is 8 ohms, when one has double the resistance of the other?

A.	2.7 ohms and 5.3 ohms
B.	8 ohms and 16
C.	10 ohms and 20
D.	12 ohms and 24

Answer: Option D

Explanation:

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Digital Concepts - General Questions (3)

Digital Concepts - General Questions

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