Electric Circuit Components⚡️

Question 1

Cell

Answer 1

Transfers chemical energy into electrical energy

Question 2

Motor

Answer 2

Transfers electrical energy into kinetic energy

Question 3

Battery

Answer 3

Two or more cells together

Question 4

Variable resistor

Answer 4

Changes the resistance of a circuit to control the current.

Question 5

Switch

Answer 5

Opens (and breaks the circuit) to stop the current.

Question 6

Bulb / lamp

Answer 6

Transfers electrical energy into heat and light.

Question 7

Voltmeter

Answer 7

Measures the voltage across components in volts (v).

Question 8

Ammeter

Answer 8

Measures the current in amps (A).

Question 9

Fuse

Answer 9

Stops the current if there is a fault.

Question 10

Resistor

Answer 10

A component that restricts the flow of charge.

Question 11

LDR (light dependent resistor)

Answer 11

Decreases resistance as light intensity increases.

Question 12

Thermistor

Answer 12

Decreases resistance as temperature increases.

Question 13

Connector/connecting wire

Answer 13

Joins components ( in straight lines ).

Question 14

Diode

Answer 14

Allows current to flow through it in one direction only.

Question 15

Switch (closed)

Answer 15

Completes a circuit and allows current to flow.