Basic HTML Version
14
SECTION 1
17
Were you right when you guessed the meaning of the words in Exercise 15? If not, why not?
Use the context to help you understand the right meaning of words.
18
Now scan the text and highlight the lines where you find the answers to the questions below.
a
What is current?
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b
What produces an electric current?
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c
How is an electric charge produced?
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d
What does the moving charge depend on?
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e
What is the unit of measurement of the potential difference?
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19
Find the lines in the passage which answer the following questions.
a
How much potential difference is there between two identical charges?
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b
A flow of 2 C/s of electron charges is how many amperes of current?
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c
What is the value of a current with zero potential difference?
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20
Find the lines in the passage which explain these two statements using the parts of the text that
refer to them.
a
A charge is a quantity of electricity accumulated in a dielectric.
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b
A charge is static electricity, at rest, without any motion.
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An electrician working on an
industrial power distribution center.
All work shown is being performed
according to industry code and safety
standards.
Progetto FOR ELECTRONICS_unit_1.indd 14
10/01/