(Download) CBSE Class X Physics Guess Paper: 2012

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Guess Paper – 2012
Class – X
Subject – Physics

1. Name one physical condition on which resitivity of metal depends?

2. What is the resistance of an electric lamp if it uses 20A when connected to a 220 V?

3. Why is an ammeter likely to burn out when connected in parallel?

4. Define current and give its SI unit.

5. What is SI unit of potential?

6. Relate1 J and 1V.

7. Define resistivity and give its SI unit?

8. When length of a wire is doubled, what is changed in resistivity?

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