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• They will see how the motor works together with the battery and switch to
control the movement.
Application
You may have noticed that when we press a switch,
the fan turns on or off. The switch is controlling
the motor of the fan by either allowing or stopping
the flow of electricity. With a simple press, you
complete or break the electrical circuit, which is
what powers the fan.
eXERCISE
A. Tick ( ) the correct option.
1. What is an electronic circuit?
(i) A road for cars (ii) A path for electricity
(iii) A ball game (iv) A racing track
2. What does a battery do in a circuit?
(i) Provides power (ii) Makes sounds
(iii) Stops electricity (iv) Absorbs light
3. What material is a good conductor of electricity?
(i) Wood (ii) Copper
(iii) Plastic (iv) Rubber
4. What does an open circuit mean?
(i) Electricity flows (ii) Electricity stops
(iii) More power (iv) Faster current
5. Which part of a circuit glows to make light?
(i) LED (ii) Wire
(iii) Button (iv) Switch
46 RoboGenius (V1.0)-III

