physics- electric circuits symbols

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34 Terms

1
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<p>What circuit symbol symbol is this?</p>

What circuit symbol symbol is this?

Open switch

2
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<p>What circuit symbol is this?</p>

What circuit symbol is this?

bulb

3
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<p>What circuit symbol is this?</p>

What circuit symbol is this?

Voltmeter

4
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<p>What circuit symbol is this?</p>

What circuit symbol is this?

Ammeter

5
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<p>What circuit symbol is this?</p>

What circuit symbol is this?

resistor

6
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<p>What circuit symbol is this?</p>

What circuit symbol is this?

LDR

7
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<p>What circuit symbol is this?</p>

What circuit symbol is this?

Thermistor

8
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<p>What circuit symbol is this?</p>

What circuit symbol is this?

Variable resistor

9
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<p>What circuit symbol is this?</p>

What circuit symbol is this?

Diode

10
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<p>What circuit symbol is this?</p>

What circuit symbol is this?

LED

11
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<p>What circuit symbol is this?</p>

What circuit symbol is this?

Fuse

12
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<p>What circuit symbol is this?</p>

What circuit symbol is this?

Cell

13
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<p>What circuit symbol is this?</p>

What circuit symbol is this?

Battery

14
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Direct current (DC)

The flow of charge through a conductor in just one direction

15
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Charge can be positive or

Negative

16
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In metals, the charged particles are known as

Delocalised electrons

17
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Current

The flow of electrically charged particles as they move through an electrical conductor

18
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Current is measured in

Amps

19
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AC (alternating current)

The direction of the current flow continually reverses

20
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The two types of current

AC & DC

21
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Potential difference

The difference in energy the electrons have between two points in a circuit

22
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Potential difference is measured in

Volts

23
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When inserting a voltmeter in a circuit, it must be in ____ with a component to measure the difference in energy from one side of the component to another

Paralell

24
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Fixed resistor (the basic symbol one)

Restricts the flow of electrical current. The resistance does not change

25
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Variable resistor

moving the position of the slider on this resistor changes the resistance

<p>moving the position of the slider on this resistor changes the resistance</p>
26
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Thermistor

The resistance of this resistor depends on the temperature. As the temperature increases the resistance decreases

27
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LDR (Light-Dependant-Resistor)

Resistance depends on light intensity, as light intensity increases, the resistance decreases

28
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Diode

Ensures current can flow in one direction only. It is used to convert ac to dc

29
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Work

Energy transferred by a force

30
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Work done equation

W= f x d

31
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Electrical work is done when current ____

Flows

32
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Current equation

Q = I x T

I = charge

T= time

33
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charge(I) is measured in

Coulombs

34
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Time is measured in

Secs