Subject :NSO Class : Class 6
Which part of the bulb is an insulator ?
(A) P
(B) Q
(C) R
(D) S.
Part P is Glass.So it is insulator.So answer is P.R is wrong answer.
Ans 1:
Class : Class 8
glass is an insulator and the part P is made of glass due to this Q , R, S are the wrong answer
Ans 2:
Class : Class 6
R