Which is used to close or open a circuit?
Socket
Switch
Plug
None of these
Living plants are
Conductors
Insulators
Semi conductors
The electrical symbol of electric bulb is
The potential difference between live wire and the neutral wire is
120v
240v
220v
250v
Secondary cells are also known as
Storage cell
Accumulators
Button cells
Both '1' and '2'
Moving charge constitute a
Potential difference
Current
Resistance
The colour code for neutral wire is:
Black or blue
Red or black
Green or yellow
Green or black
Primary cells are
Chargeable cells
Non-rechargeable cells
A dry cell converts
Chemical energy into mechanical energy
Chemical energy into electrical energy
Chemical energy into potential energy
Chemical energy into kinetic energy
Which of the following is a primary cell ?.
Voltaic cell
Leclanche cell
Daniel cell
All of these
