Question

3. Which of the following is not an insulator?
(a) Bakelite

(b) Brass
(c) Mica
(d)
4. Which of the following is involved in the working of a torch bulb?

(a) Chemical effect of current
(b) Magnetic effect of curre
(c) Heating effect of current
(d) Shocking effect of curre
5. The torch bulb does not glow in a complete circuit in which one of the followir​

Answer 1

Answer:

3 mica

4 chemical effect of electric current

Explanation:

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