Resistance and Power - General Questions (6)

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Resistance and Power - General Questions

41. 

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:

No answer description available for this question

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42. 

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:

No answer description available for this question.

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43. 

What happens to current and resistance if the voltage doubles?
A. Current doubles and resistance doubles.
B. Current doubles and resistance is halved.
C. Current remains the same and resistance doubles.
D. Current doubles and resistance remains the same.

Answer: Option D

Explanation:

No answer description available for this question.

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44. 

What is the ratio of 13 to 47 expressed in percent?
A. 2.76%
B. 27.7%
C. 3.60%
D. 36.1%

Answer: Option B

Explanation:

No answer description available for this question

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45. 

A potentiometer has how many leads?
A. 1
B. 2
C. 3
D. 5

Answer: Option C

Explanation:

No answer description available for this question.

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46. 

With Ohm's law, no change in resistance means that current and voltage will be:
A. directly proportional
B. unable to produce energy
C. the same
D. inversely proportional

Answer: Option A

Explanation:

No answer description available for this question.

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47. 

What is the most commonly used conductor in electronics?
A. aluminum
B. copper
C. gold
D. silver

Answer: Option B

Explanation:

No answer description available for this question. 

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48. 

Power is defined as:
A. the rate at which energy is used
B. watts
C. energy
D. the rate at which energy is generated

Answer: Option B

Explanation:

No answer description available for this question

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