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Sof Team from Sof Olympiad Trainer Helpdesk, Bangalore

Subject :NSO Class : Class 6

Which part of the bulb is an insulator?

A P
B Q
C R
D S

Ans 1:

prasun sardar from Delhi Public school , Durgapur

Class : Class 4

arin chaitanya from the shri ram school, New Delhi

Class : Class 7

glass is a insulator and p is glass