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Class 12 Physics Practice Test: Charges and Fields
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Class 12 Physics Practice Test: Charges and Fields
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12 Questions

1. 1 Coulomb = ________ Electro Static Unit.
2. Why is gold used in the Gold-leaf electroscope?
3. If an object is positively charged, theoretically the mass of the object ______
4. Why is gold used in the Gold-leaf electroscope?
5. When a glass rod is rubbed with silk, what kind of charge will be developed on glass?
6. Number of electrons in 1 Coulomb charge is _________
7. Which one of the following is the correct diagram of charge distribution in a hollow sphere?
8. The attraction is the real proof of an object being charged.
9. Two equally charged spheres attract each other. Now if they touch each other then they will _____
10. Dr. Gilbert tried to hold a brass rod by hand and induce static electricity in it by friction. Why did he fail?
11. Dr. Gilbert tried to hold a brass rod by hand and induce static electricity in it by friction. Why did he fail?
12. If an object is positively charged, theoretically the mass of the object ______

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