quantities and units




1).
When these numbers are multiplied, (6 × 103) (5 × 105), the result is
A   3 × 108   
B   30 × 108   
C   300 × 109   
D   3,000 × 107   
ANS: B - 30 × 108

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2).
Resistance is measured in
A   0.007 µA   
B   0.7 µA   
C   700 µA   
D   7 µA   
ANS: D - 7 µA

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3).
When converting 7,000 nA to microamperes, the result is
A   0.007 µA   
B   0.7 µA   
C   700 µA   
D   7 µA   
ANS: D - 7 µA

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4).
The number of kilowatts in 135 milliwatts is
A   1.35 × 10–4 kW   
B   135 × 10–3 kW   
C   0.0135 kW   
D   0.00135 kW   
ANS: A - 1.35 × 10–4 kW

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5).
The number 4.4 × 106 ohms expressed using a metric prefix is
A   4 k   
B   4.4 k   
C   4 M   
D   4.4 m   
ANS: D - 4.4 m

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6).
The number of millivolts in 0.06 kilovolts is
A   600 V   
B   6,000 mV   
C   60,000 mV   
D   600,000 mV   
ANS: C - 60,000 mV

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7).
Eighteen thousand watts is the same as
A   18 mW   
B   18 MW   
C   18 kW   
D   18 µW   
ANS: C - 18 kW

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8).
The number 3.2 × 10–5 A expressed using a metric prefix is
A   32 µA   
B   3.3 µA   
C   320 mA   
D   3,200 mA   
ANS: A - 32 µA

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9).
When converting 0.16 mA to microamperes, the result is
A   16 µA   
B   160 µA   
C   1,600 µA   
D   0.0016 µA   
ANS: B - 160 µA

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10).
The quantity 3.3 × 103 is the same as
A   330   
B   3,300   
C   33000   
D   0.0033   
ANS: B - 3,300

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