Question

(4 x 1 = 4)
I. Answer the questions 1 to 4. Each question carries 1 score.
1. Why bulbs are filled with an inert gas or nitrogen?
2. State Joule's law of heating.
3. In which of the below circuit does the bulb glow with high intensity?
3 W
В.
O
В.
3W
3W
OB
3W
Hior
Hov
Fig 1
Fig 2
4. Mention the factors influencing the heat developed when a current passes through a conductor,

Answer 1

Answer:

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