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Design and Technology

Electronics

Components - Test

1.

What does IC stand for?

2.

On a diode, what would be indicated by a silver band at one end?

3.

A clamping diode protects a circuit due to what?

4.

What does LED stand for?

5.

What is the current required to power an LED?

6.

How many AA batteries would need to be put in series to create a 6V supply?

7.

What is the function of a capacitor?

8.

In a simple timer circuit with a capacitor and a resistor, what would be the effect of increasing the value of the resistor?

9.

How does a resistor prevent damage to components in a circuit?

10.

What will happen to the resistance of a thermistor as the temperature rises?

11.

What will happen to the resistance of a light-dependent resistor as the amount of light falling on it increases?

12.

What is the unit of resistance?

13.

Which of the following could be used to make a potential divider?