Exercise: Quantities And Units

Questions for: Quantities And Units

The ___ is the unit for resistance, reactance, and impedance.
A:
farad
B:
henry
C:
ohm
D:
watt
Answer: C
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The number 5200 ×10–2 equals ___ × 101.
A:
0.52
B:
5.2
C:
52
D:
520
Answer: B
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7450 × 10–5 amperes equals 74.5 ___.
A:
A
B:
mA
C:
mu.gifA
D:
nA
Answer: B
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The number 24.5, rounded to two significant digits, is 25.
A:
True
B:
False
C:
D:
Answer: B
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The metric prefix giga is used to represent one billion.
A:
True
B:
False
C:
D:
Answer: A
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