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Conductors and Insulators

Which of thes...

Question

Which of these is not a part of an electric bulb?
(a) Powdered manganese dioxide
(b) A filament
(c) A glass mount
(d) Terminals

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Solution

(a) powdered manganese dioxide
A powdered manganese dioxide is not a part of an electric bulb.

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Q. Fill in the blanks with the correct words.
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Question 3

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