Electronics - Resistance and Power

Exercise :: Resistance and Power - General Questions

21. 

One problem with mechanically variable resistors is noticeable in audio circuits as:

A. scratchy noise
B. lack of bass response
C. variable volume
D. too much treble response

Answer: Option A

Explanation:

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22. 

A color code of orange, orange, orange is for what ohmic value?

A. 22 kilohms
B. 3300 ohms
C. 44000 ohms
D. 33 kilohms

Answer: Option D

Explanation:

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23. 

A conductor's cross-sectional area in circular mils for onehalf.gif inch is:

A. 500 cmils
B. 100,000 cmils
C. 1,000,000 cmils
D. 500,000,000 cmils

Answer: Option C

Explanation:

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24. 

If a variable resistor's resistance varies in a nonuniform manner as the shaft is moved, it is considered to be:

A. linear
B. defective
C. not wirewound
D. tapered

Answer: Option D

Explanation:

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25. 

Power is measured in units of:

A. joules x charge
B. joules/work
C. joules x voltage
D. joules/time

Answer: Option D

Explanation:

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