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Conduction.
The temperature. Also, thermal conductivity.
Your face might feel warm because your hot.
"warm" (or hot).
It depends. If you're touching something really hot, you feel like your skin is burning. If the object is really cold, you shiver. So, it depends.
Conduction.
It is normal for GFCI breakers and receptacles to feel warm to the touch while under load. They should not feel "hot". GFCI receptacles often protect other receptacles further down the line, so the load does not necessarily need to be plugged into the GFCI receptacle itself. AFCI breakers will also feel warm to the touch. Again the receptacles should not feel "hot". If they are hot or heat discolored, you should discontinue use and call a licensed electrician. C. P., Master Electrician
The temperature. Also, thermal conductivity.
It depends on whether you are talking fahrenheit or celsius. Fahrenheit would be warm to the touch. Celsius would burn your fingers.
What will happen is that when you touch the hot object the nervous system will send a signal to the brain which will make you react to the hot object and that is what happen when you touch the hot object . Example : a hot stove , a hot light bud, the seat in the summer which is like burning your bum ,and that are some example for hot object...or it will hurt alot
Your face might feel warm because your hot.
Endothermic reactions increase their enthalpy by absorbing heat
You can get warm. Even if you feel hot, getting warm is a great way to feel better.
In sentences such as "Don't touch the hot stove" or "That wire is hot to the touch" the word hot is the adjective. The word touch is a noun in either case - although in the second, it is the object of the adjective prepositional phrase.
Touch it
Because as your hands are warm and the object is slightly colder then it makes a big difference...
Heat naturally flows from a hot substance to a cool substance. So whatever object you touch is obviously hotter than your hand. It is because of this temperature difference in your hand and the object that causes the flow of heat from the object into your hand. You feel this flow of heat as a burn.