symbol represents a
Ammeter
Galvanometer
Voltmeter
Capacitor
All wires used in electric circuits should be covered with
A colouring material
An insulating material
Conducting material
both (a) and (c)
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
Electrical energy is generally measured in
Wh
J/s
J
kWh
Which of the following instrument use heating effect of current?
Pump
Electric Iron
Fan
Generator
The device which is used to control the current in an electric circuit is
Electric Fuse
Plugs
Socket
Switch
Electric current is the flow of
Protons
Electrons
Neutrons
Mesons
Which property is used to develop electromagnets?
Chemical effect of current
Heating effect of current
Magnetic effect of current
Hydro electric effect of current
Mechanical effect of current is used in
Electric motor to lift water
Electric bell
Electric toys
Both a and c