Lesson 105 IECI - Unit Conversions

Eight light fixtures cost $192.00. What is the cost of one light fixture?

$24

The abbreviation or symbol used to represent power in a formula is ___.

P

The abbreviation or symbol used to represent resistance in a formula is ___.

R

The unit of measurement for power is ___.

watts

200 kA = ___ A

200,000

100°C = ___°F

212

A hairdryer has a rating of 5.8KW@250 volts. This means it will draw _____ amperes when operated at the rating.

23.2

A heating element is rated to operate at 120 volts. A 3 KW element draws _____ amps at 120 volts.

25

25.97 kW = ___ watts

25,970

3 hours 20 minutes + 1 hour 48 minutes = ___ minutes.

308

What is the current (in amps) drawn by a 240 volt, 7.5 KW electric furnace when operated at 240 volts?

31.25

476,873 watts = ___ kW

476.873

3 hours 20 minutes + 1 hour 48 minutes = ___.

5 hr 8 min

5 kilohms is equal to ___ ohms.

5,000

Which of the following represents the highest current (ampere) value?

5000 mA

7,200 V = ___ kV

7.2

22°C = ___°F

72

There are 67 questions on an exam. If you miss 8 of these questions your grade is ___%.

88

What is the voltage of a circuit that has 15 amps flowing with a resistance of 6Ω? ______ volts

90

-10°F = ___°C

-23

.5 m Ω = ___ Ω

.00050

565 µA = ___ A

.000565

106 A = ___ kA

.106

3 hours 14 minutes - 1 hour 52 minutes =

1 hr 22 min

3 hours 20 minutes - 1 hour 48 minutes = ___.

1 hr 32 min

100 MW = ___ W

100,000,000

112.3 V = ___ mV

112,300

What is the current in amperes flowing in a circuit that has a voltage of 120 and a resistance of 10Ω? ______ amperes

12

.1234 A = ___ mA

123.4

How would 13,800 volts be written with a metric prefix?

13.8 kV

A 150 kW generator produces __ watts of power.

150,000

170,000 Ω = ___ k Ω

170

The abbreviation or symbol used to represent the unit of measurement for power is ___.

W