CBSE India | CBSE AIEEE Sample Papers | CBSE Class X | CBSE Class XII | CBSE Results | CBSE Syllabus | CBSE Sample Papers | CBSE Datesheet | CBSE Exams | CBSE Schools in India | CBSE Guess Papers | CBSE PMT

» CBSE Physics Electrostatics Expected Questions for Quick Revision : Unit I : CBSE Sample Question Papers

CBSE Physics Electrostatics Expected Questions for Quick Revision : Unit I

Filed under:

Short/V. Short Questions i.e. 1-2 Marks Questions

1. Name two basic properties of electric charge.
Answer :

2. The electric potential at 0 - 9 m from a point charge is + 50 V. Find the magnitude and nature of the charge.
Answer :

3. Small ozone layer on the top of atmosphere is crucial for human survival. Why ?
Answer :

4. Sketch lines of force due to point charges (i) q < 0 ; (ii) q > 0.
Answer :

5. Define dielectric constant in terms of capacitance of a capacitor.
Answer :

6. The total energy of an electron in the first excited state of the hydrogen atom is about 3.4 eV. What is K.E. of the electron in this state ?
Answer :

7. A charge of 24 //C is given to a hollow metallic sphere of radius 0 • 2 m. Find the potential at ((") the surface of the sphere ; and (ii) at the centre of the sphere.
Answer :

8. Draw lines of force to represent uniform electric field.
Answer :

9. What is meant by quantization of charge ?
Answer :

10. How much energy will be stored by a capacitor of 470 µF capacity when charged by a battery of 20 V?
Answer :

11. Two charges of+5µC and-5µf Care placed l nm apart. Calculate the dipole moment.
Answer :

12. State Coulomb’s law of force between two electric charges. Write down the relation between electric field and electric potential at a point.
Answer :

13. Define S.I unit of electric bharge.
Answer :

14. Show that JC-1 and volt are unit of the same physical quantity.
Answer :

15. Define electric potential. Is it a vector or a scalar quanity ?
Answer :

16. Write down the physical quantity which has CV-1 as its S.I unit. Is it a scalar or a vector quantity ?
Answer :

17. What is a dipole ? Give the unit of dipole moment.
Answer :

18. Find the electric field between two metal plates 3 mm apart connected to a 12 V battery.
Answer :

19. The work done in moving a charge 3 C between two points is 6 J. What is the potential difference between them ?
Answer :

20. What is the energy gained by an electron beam when accelerating by a P.D. of 2,000 V ?
Answer :

21. Calculate energy given to an electron when accelerating by a P.D. of 2,000 V ?
Answer :

Pages: 1 2 3

Related CBSE Information

CBSE Physics Thermal and Chemical Effect Expected Questions for Quick Revision : Unit III

[Short and V/Short Answer Questions 1-2 marks] 1. State two factors on which temperature of inversion for a thermocouple depends. Answer 2. How is the electric conductivity of an electrolyte affected by increase in temperature ? Answer 3. Write the expression connecting the thermoelectric emf. of a thermocouple with temperature difference of its cold and hot junctions. Answer 4. Describe the term electrolysis. Give two factors which are responsible for lower electric conductivity of electrolytes than metals at room temperature. Answer 5. Current I flows through potential difference V across a conductor. What is the rate of production of

CBSE Physics Magnetic Effects of Current Expected Questions for Quick Revision : Unit IV

Short/V. Short Answer Questions 1-2 Marks Each 1. A current is set up in a long copper pipe. Is there a magnetic field (i) inside ; (ii) outside the pipe ? Answer 2. Consider the circuit shown where APB and AQB are semicircles. What will be the mag¬netic field at the centre C of a circular loop ? Answer 3. Under what conditions the force acting on a charge moving through a uniform magnetic field., minimum ? Answer 4. What will be the path of a charged particle moving along the direction of a uniform magnetic field? Answer 5. An

CBSE Physics Current Electricity Expected Questions for Quick Revision : Unit II

1-2 Marks Very Short/Short Answer Questions 1. Of metals and alloys, which has greater value of temperature coefficient of resistance? Answer 2. Manganin is used for making standard resistances. Why? Answer 3. A wire of resistivity p is stretched to double its length, what will be the new resistivity? Answer 4. Draw a circuit diagram of a metre bridge arrangement to determine an unknown resistance. Explain the principle of the experiment and give the formula used. Answer 5. How much current will an electric heater rated at 1 kW draw when connected to a 220 V supply? Answer 6.

CBSE Physics Electrostatics Expected Questions : Unit I

Very Short Answer Type Questions Q. 1. Vehicle carrying inflammable material usually have metallic ropes touching the ground during motion. Why ? Answer : Q. 2. Name the properties of charge due to which it differs from mass. Answer : Q. 3. Compare the gravitational and electrical forces between proton-proton ; proton-electron ; electron-electron. Answer : Q. 4. What is the magnitude and unit of En ? Answer : Q.5. What is the importance of superposition principle in electrostatics ? Answer : Q. 6. Is the force of interaction between two point charges affected due to the presence

CBSE Physics Universe Expected Questions : Unit XIII

Short Answer Type Questions Q. 1. Name the nine plantes. Answer Q. 2. What is 1 AU ? Answer Q. 3. How were the crators caused on the surface of moon ? Answer Q. 4. What is albedo of a planet ? Answer Q. 5. State Hubble's law. Answer Q. 6. What is order of mass of Sun ? Answer Q. 7. What is Milky Way ? Answer Q. 8. How is brightness of star represented ? Answer Q. 9. What is the value of Solar Constant ? Answer Q. 10.

Sitemap