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Magnetism And Electricity > Glossary > Flashcards

Glossary Flashcards

1
Q

What is an Ammeter

A

A device for measuring eletric current in a circuit

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2
Q

What is an Amps

A

Units of measurement of electric current, symbol A

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3
Q

What is an Atom

A

A neutral particle ; everything is made of atoms

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4
Q

What is an Attract

A

Be pulled together, for example, opposite poles of a magnet attract and poitive and negative chargess attract

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5
Q

What is a Battery

A

Two or more eletrical cells joined together

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6
Q

What is a cell

A

A chemical store of energy , which provides the push that moves charge around a circuit

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7
Q

What is a conductor

A

A material that conducts charge or energy well, such as a metal or graphite.

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8
Q

What is a Core

A

A rod of a magnetic material placed inside a coil to make the magnetic field of an electromagnet stronger

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9
Q

What is a current

A

The flow of electrical charge (electrons) around a complete circuit per second

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10
Q

What is an eletrical charge

A

A property of a material or particle that can be positive or negative.

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11
Q

What is an eletrical field

A

A region where a charged material or particle experiences a force.

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12
Q

What is an electromagnet

A

A temporary magnet produced using an electric current.

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13
Q

What is an electron

A

A negatively charged particle found in atoms. Electrons flow through a wire when a current flows.

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14
Q

What is an insulator

A

A material that does not conduct electricity or transfer energy well.

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15
Q

What is lightning

A

A current through the air that produces light and sound.

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16
Q

What is a magnetic field lines

A

A current through the air that produces light and sound.

17
Q

What is a magnetic material

A

A material that is attracted to a magnet, such as iron, steel, nickel, or cobalt.

18
Q

What is magnetise

A

Make imto a magnet

19
Q

What is a motor

A

A component or machine that spins when a current flows through it.

20
Q

What is a negative

A

The charge on an electron, or on an object that has had electrons transferred to it

21
Q

What is a neutral

A

Describes an object or particle that has no charge, or in which positive and negative charges cancel out, giving no charge overall.

22
Q

What is a neutron

A

A neutral particle found in atoms.

23
Q

North Pole

A

The pole of a magnet that points towards the north.

24
Q

What is an ohms

A

The unit of resistance, symbol Ω.

25
Q

Parallel

A

A circuit in which there are two or more paths or branches for the current.

26
Q

What is positive

A

The charge on a proton, or on an object that has had electrons transferred from it.

27
Q

What is potential difference

A

A measure of the push of a cell or battery, or the energy that the cell or battery can supply.

28
Q

What is a positively charged particle found in atoms

A

A positively charged particle found in atoms.

29
Q

What is a rating

A

A positively charged particle found in atoms.

30
Q

What is a relay

A

Electrical device that uses current flowing through it in one circuit to switch on and off a current in a second circuit.

31
Q

What is repel

A

Be pushed away from each other, for example, like magnetic poles repel or like electrical charges repel

32
Q

What is resistance

A

How difficult it is for current to flow through a component in a circuit.

33
Q

What is series

A

A circuit in which components are joined in a single loop.

34
Q

What is the South Pole

A

The pole of a magnet that points towards the south.

35
Q

Switch

A

A component that controls the current by making or breaking the circuit.

36
Q

What is voltage

A

A measure of the strength of a cell or battery used to send a current around a circuit.

37
Q

What is voltmeter

A

A device for measuring voltage.

38
Q

What is volts

A

Units of measurement of voltage, symbol V.

Magnetism And Electricity (1 decks)

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