Current and Circuit Components

Question 1

What three subatomic components make up an

atom?

Answer 1

● Electrons
● Protons
● Neutrons

Question 2

Describe the structure of an atom

Answer 2

● Neutrons and protons in the nucleus
● Electrons surrounding the nucleus in
shells

Question 3

An atom contains two types of charged particles,

name both of them and state their charges

Answer 3

● Proton (+1)

● Electron (-1)

Question 4

In a closed circuit, if there is a potential difference in

the circuit there will also be a …

Answer 4

Current

Question 5

How is current defined?

Answer 5

As the rate of flow of charge (or electrons) around a circuit.

Question 6

What are the units of charge?

Answer 6

Coulombs, C

Question 7

Draw the circuit symbol for a switch

Answer 7

Check google

Question 8

Draw the circuit symbol for a cell

Answer 8

Check google

Question 9

Draw the circuit symbol for a battery

Answer 9

Check google

Question 10

Draw the circuit symbol for a lamp

Answer 10

Check google

Question 11

Draw the circuit symbol for a fuse.

Answer 11

Check google

Question 12

Draw the circuit symbol for a voltmeter

Answer 12

Check google

Question 13

Draw the circuit symbol for an ammeter

Answer 13

Check google

Question 14

Draw the circuit symbol for a diode

Answer 14

Check google

Question 15

Draw the circuit symbol for a resistor

Answer 15

Check google

Question 16

Draw the circuit symbol for a thermistor

Answer 16

Check google

Question 17

Draw the circuit symbol for a variable resistor

Answer 17

Check google

Question 18

Draw the circuit symbol for an LDR

Answer 18

Check google

Question 19

Draw the circuit symbol for an LED

Answer 19

Check google