Semiconductors

What unique ability do semiconductors have?

• They are as bad at conducting electricity as insulators.

• They can only conduct electricity in a vacuum.

• They can conduct electricity as well as metals.

• They have the unique ability to control electricity.

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What makes semiconductors super useful in electronic devices?

• Their unique ability to control electricity.

• Their ability to conduct heat.

• Their weight.

• Their color and texture.

Which of the following is a famous semiconductor device?

• Resistors

• Cables

• Transistors

• Batteries

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What is the role of diodes in electronic devices?

• To increase the device's weight.

• To let electricity flow in both directions.

• To only let electricity flow in one direction.

• To store electricity.

How do transistors work in a flashlight?

• They decrease the light intensity.

• They change the color of the light.

• They let electricity flow to light up the bulb.

• They store extra electricity for later use.

What is the function of transistors in earphones?

• To convert music into electricity.

• To amplify the sound signals.

• To decrease the sound quality.

• To store music.

Where can semiconductors be found?

• Only in smartphones and computers.

• Only in scientific laboratories.

• In solar panels and electric cars as well.

• Exclusively in gaming consoles.

What property of semiconductors changes with temperature?

• They become perfect insulators.

• They conduct electricity better.

• They change color.

• They become heavier.

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How do LEDs (Light Emitting Diodes) work?

• By reflecting light.

• By converting electricity into light.

• By storing light.

• By amplifying light.

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What is the primary use of silicon in electronics?

• As an insulator.

• As a conductor.

• As a semiconductor material.

• As a decorative material.

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