Direction: To determine whether an object is a conductor or an insulator, you can build a simple circuit with a battery, light bulb, and three pieces of wire.
Q. Touch the free ends of the wire to the object you are testing. If the light bulb lights up, the object is a___________ . If it does not, then the object is an_______________ .
Which part of the bulb is an insulator?
The instrument that can measure current is called a/an:
The path of electricity is called:
Sanchit’s mother warned him to avoid contact with electrical appliances or even electrical outlets when his hands are wet. Because wet hands cause .
Identify the A and B from the following diagram:
This wire is the filament of the bulb which becomes red hot and glows when the current is switched on. It is made of a metal called .
Combination of two or more cells is called a .
The following diagram shows identical lamps X and Y connected in series with a battery. The lamps light with normal brightness. A third lamp Z is connected in parallel lamp X.
Q. What happens to the brightness of lamp Y?
If we touch a naked current-carrying wire, we get a shock. This is because our body is a: