Tema 6 Flashcards

1
Q

What’s electricity?

A

It’s a form of energy, (used in developed societies) to be transformed into other forms of energy, (like light, and heat.)

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2
Q

What’s an electrical circuit?

A

A set of elements connected to one another, so that an electrical current can pass through them.

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3
Q

What components are there (in an electrical circuit)?

A
  • Power Source
  • Load
  • Conductors (Wire)
  • Control Devices
  • Protective Devices
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4
Q

What is a power source?

A

Where the electrical current originates from.

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5
Q

What’s a load?

A

Transforms electricity into other forms of energy.

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6
Q

What’s a conductor (wire)?

A

Element used to circulate electricity from one place to another.

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7
Q

What’re control devices?

A

Allows to turn on/off circuit.

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8
Q

What’re are protective devices?

A

Elements which prevent circuit components from being damaged.

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9
Q

How do you represent a circuit?

A

With a diagram, which each element is represented with a symbol.

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10
Q

What type of circuits are there?

A
  • Series
  • Parallel
  • Combined
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11
Q

What’s a series circuit?

A

Loads are connected one after another.
Also:
- Same electrical current
- Voltage divided equally

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12
Q

What’s a parallel circuit?

A

When loads are not connected one after another.

  • Load same voltage as battery
  • Total Electrical Current = Sum of Currents of loads
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13
Q

What’s a combined circuit?

A

A circuit that uses both series connections and parallel connections.

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14
Q

What is electricity normally transformed into?

A
  • Light
  • Heat
  • Magnetism
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