Circuit Review

Circuit Quiz

Review

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Multiple Choice

low-resistance pathway for current to travel in a circuit

• resistance

• short circuit

• current

• voltage

Multiple Choice

device that contains a metal strip that melts when a certain current is exceeded.

• circuit

• current

• resistor

• fuse

Multiple Choice

rate at which electrical work is done

• electrical power

• voltage

• resistance

• current

Multiple Choice

circuit in which 2 or more paths are connected to the voltage source

• series circuit

• indirect circuit

• parallel circuit

• alternating circuit

Multiple Choice

circuit in which components form a single path

• series circuit

• parallel circuit

• alternating circuit

• indirect circuit

Multiple Choice

device to open or close a circuit

• fuse

• current

• voltage

• switch

Multiple Choice

device that protects a circuit overload

• circuit breaker

• resistor

• volt

• current

Multiple Choice

If there is an equal amount of positive and negative charges on an object, the object is

• positive

• negative

• neutral

• destroyed

Multiple Choice

opposition posed by a material to the flow of current.

• resistance

• current

• voltage

• adapter

Multiple Choice

the rate at which charges move through a conductor

• fuse

• resistance

• voltage

• current

Multiple Choice

Copper, silver are _________; wood, plastic are ________

• insulators; conductors

• conductors; insulators

• resistors; insulators

• all are insulators

Multiple Choice

·      The electrical forces between 2 objects ________ as the distance between them ________.

• decreases;

  decreases

• increases; decreases

• increases; increases

• increases;

  stays the same

Multiple Choice

Like charges _______. Opposite charges _______

• attract, repel

• repel; attract

Multiple Choice

Which objects provide electrical safety?

• circuit breaker

• fuse

• ground-fault circuit interrupter

• all of them

Multiple Choice

Most of the circuits in your home are

• parallel circuits

• series circuits

Multiple Choice

material that allows charges to flow easily

• conductor

• insulator

• resistor

Multiple Choice

Type of current in your school is mostly

• direct current

• alternating current

Multiple Choice

Walking across carpet is example of charge being transferred by

• friction

• induction

Multiple Choice

If a positively charged object is brought near a negatively charged object, the objects will be ________ to one another

• repelled

• attracted

Multiple Choice

If an atom gains electrons, it becomes a ________charged ion

• neutrally

• positively

• negatively

Multiple Choice

A hair dryer measures 12 amps. The resistance of the hair dryer is 6 ohms. What is the voltage?

• 2 volts

• 72 volts

• 18 volts

• 0.33 volts

Multiple Choice

A device connected to 110-volt outlet has 3.0 A of current in it. What is the power of the device?

• 330 W

• 30 W

• 37 W

• 0.2 W

Multiple Choice

What voltage is required to pass 2.5 A of current through a 25 W bulb?

• 60 V

• 50 V

• 20 V

• 10 V