Physics
We should not touch the switch with wet hands, otherwise:
- electricity may pass through our body
- electricity may not pass through the appliance
- circuit may break
- the switch may get off
Related Questions
Electricity can flow through:
- wood
- rubber
- plastic
- copper wire
Electricity does not flow through:
- human body
- animal's body
- rubber
- silver
The strength of an electromagnet can be increased:
- by increasing the number of turns in the coil.
- by decreasing the number of turns in the coil.
- by inserting a soft iron core in the coil.
- both increasing the number of turns in the coil and inserting a soft iron core.
Identify the correct advantages of dry cells:
- Dry cells are light in weight and small in size.
- There is no fear of leakage in dry cells.
- Dry cells can be easily carried from one place to another.
- All of the above