Electronics - Voltage and Current

Exercise :: Voltage and Current - General Questions

31. 

A lead-acid battery is an example of a

A. solar cell
B. fuel cell
C. primary battery
D. secondary battery

Answer: Option D

Explanation:

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32. 

The charge of one coulomb is equal to:

A. 6.24 x 10−18 electrons
B. one ampere
C. one second
D. 6.24 x 1018 electrons

Answer: Option D

Explanation:

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33. 

A basic electric circuit is made up of what components?

A. A load, a resistor, and a conductive path for current
B. A voltage source, a load, and a conductive path for current
C. A voltage source, a conductive path for current, and a battery
D. A conductive path for current, a battery, and a copper wire

Answer: Option B

Explanation:

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34. 

An ammeter is used to measure

A. voltage
B. current
C. resistance
D. All of the above

Answer: Option B

Explanation:

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35. 

What is the name of the pressure that moves electrons in a closed circuit?

A. amperes
B. ohms
C. voltage
D. coulombs

Answer: Option C

Explanation:

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