Electric heaters used for cooking have a filament or a heating co plac – McqOptions

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1.	Electric heaters used for cooking have a filament or a heating co placed on a plate made up of clay. Why is this so? (i) It is a bad conductor of heat. (ii) It is a bad conductor of electricity. (iii) It is porous.
A.	Only (i) and (ii)
B.	Only (ii) and (iii)
C.	Only (i) and (iii)
D.	(i), (ii) and (iii)
Answer» B. Only (ii) and (iii)

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