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A point charge +Q is placed just outside an imaginary hemispherical surface of radius R as shown in the figure. Which of the following statements is/are correct ?
  • a)
    The circumference of the flat surface is an equipotential
  • b)
    The electric flux passing through the curved surface of the hemisphere is
  • c)
    Total flux through the curved and the flat surfaces is 
  • d)
    The component of the electric field normal to the flat surface is constant over the surface.
Correct answer is option 'A,B'. Can you explain this answer?
Verified Answer
A point charge +Q is placed just outside an imaginary hemispherical su...
Every point on circumference of flat surface is at equal distance from point charge
Hence circumference is equipotential.
Flux passing through curved surface = – flux passing through flat surface.

∴ Flux through curved surface = 

Note : Flux through surface can be calculated using concept of solid angle.
∴ Solid angle subtended 
φ for 4π solid angle 
∴ φ for  solid angle 
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A point charge +Q is placed just outside an imaginary hemispherical surface of radius R as shown in the figure. Which of the following statements is/are correct ?a)The circumference of the flat surface is an equipotentialb)The electric flux passing through the curved surface of the hemisphere isc)Total flux through the curved and the flat surfaces isd)The component of the electric field normal to the flat surface is constant over the surface.Correct answer is option 'A,B'. Can you explain this answer?
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A point charge +Q is placed just outside an imaginary hemispherical surface of radius R as shown in the figure. Which of the following statements is/are correct ?a)The circumference of the flat surface is an equipotentialb)The electric flux passing through the curved surface of the hemisphere isc)Total flux through the curved and the flat surfaces isd)The component of the electric field normal to the flat surface is constant over the surface.Correct answer is option 'A,B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A point charge +Q is placed just outside an imaginary hemispherical surface of radius R as shown in the figure. Which of the following statements is/are correct ?a)The circumference of the flat surface is an equipotentialb)The electric flux passing through the curved surface of the hemisphere isc)Total flux through the curved and the flat surfaces isd)The component of the electric field normal to the flat surface is constant over the surface.Correct answer is option 'A,B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A point charge +Q is placed just outside an imaginary hemispherical surface of radius R as shown in the figure. Which of the following statements is/are correct ?a)The circumference of the flat surface is an equipotentialb)The electric flux passing through the curved surface of the hemisphere isc)Total flux through the curved and the flat surfaces isd)The component of the electric field normal to the flat surface is constant over the surface.Correct answer is option 'A,B'. Can you explain this answer?.
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