IEC Quarter 1 Study Guide

Voltage is similar to ___ in a water pipe.

• flow

• pressure

• temperature

• size

The unit of measurement for resistance is represented by the letter or symbol ___.

• Ω

• A

• E

• P

• W

Current is represented by the letter or symbol ___.

• I

• V

• C

• Ω

AC is an abbreviation for ___.

• Alternating Current

• Amplitude Cancellation

• Always Charged

• Action Calibration

___ is the force that causes current to flow.

• Power

• Voltage

• Water

• Insulator

___ flow equals current flow.

• Hole

• Neutron

• Electron

• Proton

For this question, assume that this is a 240-volt, single-phase installation. A 9,500 watt cooking range installed in a residence will draw ___ when operated at 240 volts.

• 40 amperes

• 50 amperes

• 60 amperes

• 36 amperes

If a simple circuit with 400 ohms of resistance has 100 volts applied, its current flow is ___ amps.

• 4

• 250

• .25

• 40

Branch circuits that serve a ___ are required to be rated at 20 amperes where installed in a house.

• bathroom

• kitchen

• laundry room

• All of the above

• None of the above

Refer to Figure 108.014. This kitchen is in a house. Does the NEC® permit receptacle 11 to be connected to a circuit that is not one of the 20-amp small-appliance branch circuits?

• Yes

• No