Science: Matter and Energy - Section 9.4 Quiz 20

Label each part of the circuit beside the corresponding number: 1. source of current, 2. conductors, 3. load.

d

e

f

source of current

wires

conductors

light bulb

source of current

battery

conductors

load

load

Tags

NGSS.MS-ETS1-1

Anika noticed that the lights in her house went out when she plugged in too many appliances. She learned that an automatic switch that opens when current overloads a circuit is called a _____

During a science experiment, Grace noticed that a narrow strip of metal housed in a protective case burned out when the current suddenly increased. This component is called a _____ .

When Avery was setting up a new lamp in her room, she accidentally connected the wires incorrectly, causing the current to bypass the lamp and increase through the circuit. This situation is called a _____

Liam is setting up a simple electrical circuit for a school project. He uses three 5 Ω resistors linked in series. If he connects a 6.0 V battery to the circuit, what will be the current through the circuit?

• 0.40 A

• 3.6 A

• 10 A

• 90 A

Aria is setting up a lighting system for her garden. She wants to arrange the lights in such a way that if one light goes out, the others remain lit. What type of circuit should she use?

• open circuit

• closed circuit

• series circuit

• parallel circuit

Mia is trying to turn on a light bulb, but the light won't turn on. What term describes a circuit through which current cannot flow?

• open circuit

• closed circuit

• series circuit

• parallel circuit

Nora and Olivia are setting up a small home theater system. They use two identical speakers, each with a resistance of 20 Ω, connected in parallel. What is the total resistance of the speaker system?

• 10 Ω

• 20 Ω

• 40 Ω

• 80 Ω

Rohan is setting up a new electrical system in his house. What is the function of a circuit breaker in this electrical circuit?

• To increase current

• To decrease voltage

• To open the circuit when overloaded

• To close the circuit when overloaded.

Identify the component that burns out to protect a circuit from excessive current.

• circuit breaker

• fuse

• short circuit

• resistor

Tags

NGSS.MS-ETS1-1