CBSE Class 10 Physics Revision Assignment Set G

One mark questions

1. Define the term “electric current”.

2. Define the term ‘resistivity’ of a material.

3. How is a Voltmeter connected in the circuit to measure the potential difference between two points?

4. You have two metallic wires of resistances 6 ohm and 3 ohm. How will you connect these wires to get the effective resistance of 2 ohm?

5. If the distance between two electric charges is doubled, how much will the force exerting between them change to?

6. Why does the bulk of iron fillings stick to the ends of a bar magnet and not at its centre?

7. If the frequency of A.C. is 50 Hz. Then how many times it is changing its direction in 1 second?

8. What is the pattern of the magnetic field lines around a straight conductor carrying current?

9. If the current is flowing in the direction of advancement of screw, then what is the direction of magnetic field lines?

10. How can you say that the magnetic field is uniform inside the solenoid?

11. Which property of a proton will change while it moves freely in a magnetic field?

12. According to Flemings right hand rule, which part of right hand indicate the movement of conductor?

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