Soft Tech Quiz

Which of these is a conductive material?

• Rubber

• Water

• Diamond

• Paper

Which of these is the best conductor?

• Silver

• Graphite

• Copper

• Water

What is the unit of electrical current?

• Volt (V)

• Induction (I)

• Ampere (A)

• Watt (W)

• Ohm (Ω)

What does Ohm's Law describe?

• How to calculate the resistance based on current and voltage

• The relationship between voltage, current and resistance

• The total voltage in a circuit is always the amount of current multiplied with the resistance

What does LED stand for?

• Legged Electrical Device

• Light Emitting Diode

• Luminosity Enabled Device

Which of these is the electrical symbol for LED?

• 
• 
• 
• 

If the battery is rated at 6V, how much voltage does is each LED in the circuit get?

• 3V

• 0V. The circuit is not operational.

• 6V

• 1V

What happens when the switch is open?

• LEDs 3 and 4 are off, LEDs 1 and 2 are on

• LED 4 is on, others are off.

• The entire circuit explodes instantly.

• LEDs 1 and 2 are off, LEDs 3 and 4 are on

What is conductive thread for e-textiles usually made from?

• Aluminum

• Nickel

• Copper

• Steel