Cdf

It's convenient to represent................ by symbol

• Electric circuit

• Electric power

• Electric voltage

• Electric components

When ............. flows through a wire the wire gets heated

• Sound power

• Electric Current

• Natural power

• Electric voltage

The heating of wire is called as

• Heating effect of electric current

• Magnetic effect of electric current

• Sound effect of electric current

• None of the above

Amount of heat produced in a wire depends on

• Thickness

• Its material

• Length

• All of the above

When an electric current is flowing through a wire the wire behaves like

• Switch

• Electromagnet

• Bulb

• Circuit

Who noticed the deflection of compass needle due to the current in conductor

• Galileo

• Newton

• Hans christian Orested

• Sir Albert Einstein

A current carrying wire coil an insulator wire wrapped around the piece of iron is called

• Magnet

• Electromagnet

• Horseshoe magnet

• Bar magnet

Using symbols and electric circuit can be represented by

• Circuit diagram

• Electric fuse

• Circuit breaker

• Electric wire

Incandescent bulb are used for lighting but also give

• Light

• Sound

• Heat

• Vibration

............ is Made from a special material ,Melt quickly when a large current is passed through them

• Switch

• Bulb

• Wire

• Fuse