Have an account?
Skip to Content
Build your own quiz
9 questions
Show Answers
See Preview
- 1. Multiple Choice
Which of the following is responsible for the flow of current through a metallic conductor?
Valence electrons
Lone pair of electrons
Free electrons
None of the above
- 2. Multiple Choice
Electrons move easily in
insulators
conductors
capacitors
none of the above
- 3. Multiple Choice
Substances having very large number of free electrons, which can be drifted in a particular direction by applying potential difference , are called
Insulators
Bad conductors
Good conductors
Semiconductors
- 4. Multiple Choice
A/ An ________ is used to provide electricity to the bulb in a torch .
electric switch
electric motor
electric cell
screw driver
- 5. Multiple Choice
The thin wire attached in the centre of a bulb is called _________
filament
electric cell
torch
electrode
- 6. Multiple Choice
The lower part of a bulb is called _____.
metal
apex
base
armature
- 7. Multiple Choice
The electrolyte used to electroplate Cu on the spoon is
CuSO4
AgNO3
ZnSO4
None of the above
- 8. Multiple Choice
An electrolyte is a compound which in its molten or aqueous state conducts an electric current by decomposing the current.
True
False
- 9. Multiple Choice
A crystal of NaCl can conduct electricity.
True
False
- Answer choicesTagsAnswer choicesTags