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Explore More Important Questions On:
Important Questions on Electrostatics
Q1:
Define capacitance of a capacitor and state it's SI unit. (2 Marks).
Q2:
Obtain an expression for electric field at a point outside a charged spherical conductor. ( For 3 Marks).
Q3:
Obtain an expression for electric field at a point outside a Uniformly charged thin plane sheet. (4 marks).
Q4:
Obtain an expression for electric field at a point outside infinitely long charged conducting stright wire. (3 marks).
Q5:
Draw the Schematic diagram of a Generator. And Explain Back emf. (3 marks)
Q6:
Derive an expression for potential energy of dipole placed in an external electric filed. (4 marks)
Q7:
Derive an expression for equivalent capacitance of capacitor in (4 marks)
a) Series
b) Parallel
Q8:
Derive an expression for potential energy due to a point charge. (3 Marks)
Q9:
Derive an expression for Capacitance of parallel plate cpacitor with dielectrics is placed between the plates. (3 Marks)
Q10:
Derive an expression for Energy stored in capacitor. Obtain it's different forms. (4 Marks)
Q11:
Derive an expression for electric potential due to a dipole . (4 Marks)
Q12:
with the help of a neat diagram, describe construction and working of Van de Graff Generator . (4 Marks)
Q13:
Explain Polar dielectric. (1 marks each)
i. Explain Non-Polar Dielectric
ii. What is equipotential surfaces
iii. Write two uses of Van de Graff generator
