Chapter 6 Quiz

If a series circuit has resistor values of 27 ohms, 56 ohms, and 82 ohms, the total resistance is ______________.

165 ohms

A series circuit has two resistors. The resistors dissipate 10 W and 15 W. What is the total power dissipation of the circuit?

25 W

A two-resistor series circuit has an applied voltage of 100 V. The voltage across one of the resistors is 40 V. The voltage across the other resistor is _____.

60 V

A series circuit has a total resistance of 240 ohms and a current flow of 4 A. What is the applied voltage?

960 V

NEC 406.4(D)(4) requires ____ protection where replacements are made at receptacle outlets that are required to be so protected elsewhere in the Code.

AFCI

The current, voltage, power, and resistance in a series circuit can be found by using _____ law.

Ohm's

A(n) _____ ground symbol is used to symbolize a ground point made by physically driving an object such as a rod or pipe into the ground.

earth

In a series circuit, the sum of the voltage drops is __________ the applied voltage.

equal to

Voltage _____ can be determined by observing the direction of current flow through the circuit.

polarity

The total amount of resistance to current flow in a series circuit is equal to the _____ of the resistance in that circuit.

sum

What force pushes the electrons through a resistance in a circuit?

voltage

A three-resistor circuit has a total power of 25 W. Two of the resistors dissipate 10 W and 5 W respectively. How much power does the third resistor dissipate?

10 W

A GFCI for personnel protection operates when it senses a current imbalance between ____________________ mA and ____________________ mA.

4, 6

The two resistors in a series circuit have voltages of 25 V and 60 V. The applied voltage is _____.

85 V

Match the outlets with the type of protection required. A. GFCI B. AFCI C. No protection required Hallway lighting outlet Basement receptacle outlet Kitchen counter receptacle outlet Bathroom receptacle outlet Bedroom receptacle outlet Garage receptacle outlet Kitchen lighting outlet

B (AFCI) Hallway lighting outlet A (GFCI) Basement receptacle outlet A (GFCI) Kitchen counter receptacle outlet A (GFCI) Bathroom receptacle outlet B (AFCI) Bedroom receptacle outlet A (GFCI) Garage receptacle outlet B (AFCI) Kitchen lighting outlet

Which of the following formulas is the general voltage divider formula?

EX = (Rx/Rt)Et

_____ is the force that pushed the electrons through a resistance.

Voltage

GFCI protection is required for which of the following?

a receptacle installed within 6 feet of a wet-bar sink

A(n) _____ voltage is a voltage that is positive with respect to ground.

above-ground

A point that is used as a common connection for other parts of a circuit is called a _____ point.

chassis

A voltage _____ is used to provide different voltages between certain points in a circuit.

dividersx

A single receptacle for one appliance or a duplex receptacle for two appliances that are located within dedicated space for each appliance that in normal use is not easily moved from one place to another and that is cord-and-plug connected ________ require tamper-resistant receptacles.

do not

A device that is designed to open and disconnect a circuit in the event of excessive current is a _____.

fuse

As defined in NEC Article 100, a(n) ____ is a point on the wiring system at which current is taken to supply utilization equipment.

outlet

GFCI protection is not required for ____.

receptacle installed behind a range or refrigerator

When a conductor that is carrying current breaks or when a loose connection occurs, a(n) "______________" arcing fault is created.

series

The amount of _____ across a resistor is proportional to its resistance.

voltage drop

A circuit that has only one path for current flow is a _____ circuit.

Series

When a circuit has only one path, the _____ is the same at any point.

current

A series circuit has a total resistance of 180 ohms and an applied voltage of 120 V. What is the current flow?

0.667 A