Question

name four eletrical appliances that use heating effects of electric current ?

name two household appliances where electromagnets are used ?

name two magnetic substances other than iron ?

electromagnets get magnetized permanently . true / false ?

define electricity ?

Answer 1

appliances which use heating effect of electric current are water heater, electric oven, electric oven and hair dryer

two devices where electromagnets are used are headphones, speakers ,doorbells

magnetic substance other than iron are cobalt and nickel

false

electricity is a fundamental form of energy that is present in 2 forms,i.e. either positive or negative. and it occurs naturally or is generated artificially and is expressed in the terms of interaction of electrons or movement of electrons