Awesome idea for Winter || Room Heater

Winter And Summer

When current is switched 'on' in a room heater, it __________.

Fill in the blanks: When current is switched 'on' in a room heater, it ______

Fill in the following blanks with suitable words : When current is switched 'on' in a room heater, its element becomes ________.

The coil wire in the electric room heater or electric cooking heater is called__.

5 Awesome Science experiments

On a cold winter night you switch on a room heater to keep your room warm. Does it mean that the total energy of the air inside the room increases after you switch on the heater?

Explain how all the air in a room gets heated when a room heater kept on the floor in a corner of the room is switched on. Draw a labelled diagram to explain.

A person sitting in front of a room heater feels hot. Name the process by which heat is transferred.

The connecting cable of electrical appliance like electric iron, water heater or room heater contains three insulated copper wires of three different colours-red, green and black. Which one of the following is the correct colour code?