Electrical energy converted into heat energy is known as
Hydroelectric effect
Chemical effect
Lightning effect
Heating effect
1 kWh = ?
3 x 108 J
3.2 x 107 J
3.6 x 106 J
3 x 1010 J
Insulator : Wood :: Conductor :
Pure water
Mica
Human body
Glass
symbol represents a
Ammeter
Galvanometer
Voltmeter
Capacitor
Pick the odd one.
Wood
Connecting wire
Plastic
Rubber
The process electromagnetic induction, can be explained by
Albert Einstein
Issac Newton
Michael Faraday
Edison
Which of the following characteristic is not suitable for a fuse wire?
thin and short
thick and short
low melting point
higher resistance than rest of wiring
Which property is used to develop electromagnets?
Chemical effect of current
Heating effect of current
Magnetic effect of current
Hydro electric effect of current
The device which is used to control the current in an electric circuit is
Electric Fuse
Plugs
Socket
Switch
Mechanical effect of current is used in
Electric motor to lift water
Electric bell
Electric toys
Both a and c
