Q.1.
A material which allows electrical current to pass through it is called what?
Q.2.
Besides cells, or batteries, what is another source of electrical power?
Q.3.
What symbol is used in a circuit diagram to represent a bulb?
Q.4.
What is an electrical circuit?
Q.5.
With which group of items could you build a complete circuit?
Q.6.
Why are electrical wires covered with plastic or rubber?
Q.7.
Which of these materials would be a good electrical conductor?
Q.8.
Why might a circuit fail to work?
Q.9.
What will a circuit with an open switch do?
Q.10.
You have made a simple circuit with one bulb. If you wanted to add an extra bulb without the first bulb dimming, what would you need to design?