The two terminals of the bulb are the metal case of the bulb and ____________________.
the metal tip at the centre of the bulb
the metal tip at the base of the bulb
the metal tip at the top of the bulb
the external metal tip connected to the bulb
The two terminals of the bulb are the metal case of the bulb and the metal tip at the base of the bulb.
Question 6
Filament of a torch bulb is
(a) A metal case.
(b) Metal tip at the centre of the base.
(c) Two thick wires
(d) A thin wire.
You are given a hammer, a battery, a bulb, wires and a switch.
(a) How could you use them to distinguish between samples of metals and non-metals?
(b) Assess the usefulness of these tests in distinguishing between metals and non-metals.