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Select three that apply.

Define a series circuit.

a circuit in which the components are in line with each other and runs from one component's positive terminal to the other component's negative terminal

set up so the resistance of each component will affect the entire circuit

set up the current in the circuit has to go through every component

set up so that the path to each component or each set of components forms a complete circuit of its own

set up so that if one branched path goes out or is switched off, the other paths continue working



2) Select two that apply. Define open circuit.

when the flow of electricity is unintentionally stopped from flowing through a circuit

can happen because of a failed component, or it can happen because a safety device (fuse or breaker) in the circuit opens

a circuit where water is an essential part of the circuit

a complete circuit where electricity is open to move in an out without interruption



3) Choose the best answer.

Electrical charges cannot run through an electrical circuit unless the circuit or path the charges follow is _____ or closed.

complete

open

generated

incomplete



4) Choose the best answer.

If the switch in an electrical circuit is turned ON, the the circuit is _____ and the charges are running through the circuit.

disturbed

closed

interrupted

open



5) Choose the best answer.

If the switch in an electrical circuit is turned OFF, the the circuit is _____ and the charges are not running through the circuit.

open

closed

undisturbed

continuous



6) Select two that apply.

Define a parallel circuit.

a circuit in which the components are in line with each other and runs from one component's positive terminal to the other component's negative terminal

set up so that the path to each component or each set of components forms a complete circuit

set up with each component in the circuit in line with the others

set up so that if one branched path goes out or is switched off, the other paths continue working



7) Choose the best answer.

What kind of circuit does the diagram represent?
diagram of a circuit

parallel circuit

undisturbed circuit

series circuit

reactive circuit



8) Choose the best answer.

What kind of circuit does the diagram represent?
diagram of a circuit

series circuit

parallel circuit

undisturbed circuit

reactive circuit



9) Choose the best answer.

Your bedroom has circuit wiring that will handle 20 amps. First you turn on your heater which draws 9 amps. Your lamps and TV are using 5 amps. Then, you start-up your computer, which requires 1.34 amps, and your computer monitor which needs about 3.5 amps. Will the circuit in your room overload? Why or why not?

Yes, the amount is more than the circuit can handle.

No, the amount is more than the circuit can handle.

Not able to tell with the information given.

No, the amount is less than the circuit can handle.



10) Select two that apply.

What devices protect household circuits from overloading?

conductors

fuses

thick wire

circuit breakers

thin wire



11) Choose the best answer.

A protective device called a _____ has a conductor that burns through if a circuit is overloaded.

fuse

capacitor

generator

diode



12) Choose the best answer.

An electrical circuit is opened when a _____ senses an overloaded circuit.

diode

resistor

circuit breaker

capacitor

1 answer

Here are the selected answers for each question:

  1. Define a series circuit.
  • a circuit in which the components are in line with each other and runs from one component's positive terminal to the other component's negative terminal
  • set up so the resistance of each component will affect the entire circuit
  • set up the current in the circuit has to go through every component
  1. Define open circuit.
  • when the flow of electricity is unintentionally stopped from flowing through a circuit
  • can happen because of a failed component, or it can happen because a safety device (fuse or breaker) in the circuit opens
  1. Electrical charges cannot run through an electrical circuit unless the circuit or path the charges follow is _____ or closed.
  • complete
  1. If the switch in an electrical circuit is turned ON, the circuit is _____ and the charges are running through the circuit.
  • closed
  1. If the switch in an electrical circuit is turned OFF, the circuit is _____ and the charges are not running through the circuit.
  • open
  1. Define a parallel circuit.
  • set up so that the path to each component or each set of components forms a complete circuit
  • set up so that if one branched path goes out or is switched off, the other paths continue working
  1. What kind of circuit does the diagram represent?
  • parallel circuit (assuming the diagram shows a parallel configuration)
  1. What kind of circuit does the diagram represent?
  • series circuit (assuming the diagram shows a series configuration)
  1. Will the circuit in your room overload? Why or why not?
  • No, the amount is less than the circuit can handle.
    (Total: 9 + 5 + 1.34 + 3.5 = 18.84 amps, which is less than 20 amps)
  1. What devices protect household circuits from overloading?
  • fuses
  • circuit breakers
  1. A protective device called a _____ has a conductor that burns through if a circuit is overloaded.
  • fuse
  1. An electrical circuit is opened when a _____ senses an overloaded circuit.
  • circuit breaker

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