Electronics - Resistance and Power

Exercise :: Resistance and Power - General Questions

26. 

How many basic types of resistors exist?

A. 1
B. 2
C. 3
D. 4

Answer: Option B

Explanation:

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27. 

With a complex circuit, a supply source senses:

A. open circuit components
B. when voltages need to be increased
C. only a single resistive connection
D. when complex currents are needed

Answer: Option C

Explanation:

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28. 

How many ohms of resistance allows a current of 720 mu.gifA to flow when 3.6 kV is applied?

A. 200 nomega.gif
B. 5 komega.gif
C. 200 komega.gif
D. 5 Momega.gif

Answer: Option D

Explanation:

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29. 

Which is the most important step utilized when measuring resistors?

A. use the highest possible scale
B. keep test leads short
C. zero the meter before using
D. remove power from the circuit

Answer: Option D

Explanation:

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30. 

Components designed to oppose the flow of current are called:

A. insulators
B. conductors
C. resistors
D. heat exchangers

Answer: Option C

Explanation:

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