2. Circuit Symbols

Question 1

Function of a ammeter (1)

Answer 1

Measures current in ampere (A)

Question 2

Function of a volmeter (1)

Answer 2

Messures potential difference in volts (V)

Question 3

Function of a switch (1)

Answer 3

Turns the current in a circuit on/off

Question 4

Function of a lamp/bulb (2)

Answer 4

Glows when current flows through it

It’s a resistor

Question 5

Function of a resistor

Answer 5

Reduces the current flowing in a circuit (symbol R;unit ohms)

Question 6

Function of a battery (1)

Answer 6

Provides a larger current than a single cell and more energy to charges

Question 7

Function of a cell (1)

Answer 7

Provides and moves charge around a circuit

Question 8

Function of a wire/conductor (1)

Answer 8

Provides a path through which a current flows

Question 9

Function of a reostat/variable resistor (1)

Answer 9

Changes the total resistance in a current and the current strength as well