Electric current and its effects

What is indicted by this image?

• Battery

• Switch

• Cell

• Bulb

This symbol indicates ....................................

• A Switch

• A ground connection
• A resistor
• A power source

This symbol indicates ..................................

• Cell

• Filament

• Bulb

• Bottle

This is symbol of a ...................................

• bulb

• cell

• battery

• resistor

Battery is .....

• A battery is a tool used for measuring voltage.
• A battery is a device that only consumes energy.
• Two of more cells connected is called a battery

• A battery is a type of fuel.

If electricity is given through a nichrome wire it gets ........................

• cool down
• remain unchanged
• break apart
• heat up

wires made from some special materials melt quickly and break when large electric current is passed through them is called ..........................................

• fuses
• insulators
• conductors
• resistors

who was the first person who noticed the deflection of compass needle when electric current is passed though the wire is ......................

• Michael Faraday
• Thomas Edison
• Hans Christian Ørsted
• Nikola Tesla

Electro magnet is ................................

• a magnet created by electric current.
• a magnet that loses its charge over time.
• a device that generates electricity.
• a type of permanent magnet.

this image shows a ..................................

• Open circuit

• closed circuit