Which of the following measures the amount of electricity used by us?
Multimeter
Galvanometer
Electro meter
None of these
The electrical symbol of electric bulb is
In electric generator
Solar energy is converted into electric energy
Electric energy is converted into mechanical energy
Mechanical energy is converted into electrical energy
Insulators have very high
Resistivity
e.m.f.
Conductivity
Potential difference
Which of the following is a best conductor?
Silver
Carbon
Copper
The colour of live wire is
Red or brown
Black or blue
Green or yellow
Yellow or Red
The colour code for neutral wire is
Red or black
Green or black
The obstruction to the flow of electric current is called
Potential
Charge
Resistance
The fuse is always connected to the
Neutral wire
Earth wire
Live wire
An electric iron consist of a heating filament made of
Magnesium wire
Nichrome wire
Tongs ton wire
Neon wire
