Question

Is 1,5,6 and 8 proportion or not
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Answer 1

Answer:

Yes they are proportional

Answer 2

Answer:

They work on the principle of heating the room through convection technology where a coil or a panel is used for heating. A fan/ blower is blown towards the heat panel which spreads warm air in the entire room. These room heaters spread heat through a metallic coil which glows upon being heated electrically.