Which of the following is used to close or open a circuit?
Socket
Switch
Plug
None of these
A fuse wire is made of
60% lead and made 40% tin
30% lead and 70% copper
30% copper and 70% lead
60% tin and 40% lead
The electrical symbol of electric bulb is
The fuse is always connected to the
Neutral wire
Earth wire
Live wire
Which of the following measures the amount of electricity used by us?
Multimeter
Galvanometer
Electro meter
The symbol represents a
Open switch
Connecting wire
Closed switch
Cell
Pick the odd one
Polythene
Rubber
Glass
Iron
Living plants are
Conductors
Insulators
Semi conductors
Which of the following is a best conductor?
Silver
Carbon
Copper
Unit of potential difference is
Volt
Ohm
Ampere
Coulomb
