The device which is used to control the current in an electric circuit is
Electric Fuse
Plugs
Socket
Switch
Pick the odd one.
Wood
Connecting wire
Plastic
Rubber
In a cell,
chemical energy changes into electrical energy
mechanical energy changes into electrical energy
electrical energy changes into physical energy
electrical energy changes into chemical energy
represents
Cell
Bulb
Resistance
1 kWh = ?
3 x 108 J
3.2 x 107 J
3.6 x 106 J
3 x 1010 J
Which property is used to develop electromagnets?
Chemical effect of current
Heating effect of current
Magnetic effect of current
Hydro electric effect of current
All wires used in electric circuits should be covered with
A colouring material
An insulating material
Conducting material
both (a) and (c)
Electric current is the flow of
Protons
Electrons
Neutrons
Mesons
Electrical energy converted into heat energy is known as
Hydroelectric effect
Chemical effect
Lightning effect
Heating effect
Which unit could be used to measure current?
Ampere
Volt
Coulomb
Watt