8.2 Moving Charges Flashcards

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1
Q

State 2 reasons for a large current

A
  1. A greater number of electrons moving past a given point each point each second
  2. The same number of electrons moving faster through the metal
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2
Q

Define conventional current

A

A current from a positive terminal towards a negative one

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3
Q

Define electrolytes

A

Liquids that can carry an electrical current as it contains dissolved ions

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4
Q

Define ionic solution and give an example

A

A solution containing ions which are atoms that have gained or lost electrons to gain a positive or negative charge. An example is sodium chloride

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5
Q

State the use of a ammeter

A

An instrument used to measure the electric current at any point within a circuit

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