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

2.Resistance is measured in
A.henries
B.ohms
C.hertz
D.watts

3.The number 65,000 expressed in scientific notation as a number between 1 and 10 times a power of ten is
A.0.65 × 104
B.6.5 × 104
C.65 × 104
D.650 × 103

4.sThe 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

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

6.The number of microamperes in 2 milliamperes is
A.2 µA
B.20 µA
C.200 µA
D.2,000 µA

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

8.Eighteen thousand watts is the same as
A.18 mW
B.18 MW
C.18 kW
D.18 µW

9.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

10.When converting 0.16 mA to microamperes, the result is
A.16 µA
B.160 µA
C.1,600 µA
D.0.0016 µA

11.When these numbers are added, (87 × 105) + (2.5 × 106), the result is
A.1.12 × 104
B.11.2 × 105
C.112 × 105
D.1,120 × 106

12.The quantity 3.3 × 103 is the same as
A.330
B.3,300
C.33,000
D.0.0033

13.Which of the following is not an electrical quantity?
A.voltage
B.current
C.distance
D.power

14.When converting 7,000 nA to microamperes, the result is

A.0.007 µA
B.0.7 µA
C.700 µA
D.7 µA

15.Seven thousand volts can be expressed as
A.7 kV
B.7 MV
C.7 mV
D.either 7 kV or 7 mV