Q16.A cone of base radius R and height h is located in a uniform electric field E parallel to its base. The electric flux entering the cone is: (1) 1 EhR (2) EhR 2 (3) 2EhR (4) 4EhR
What This Question Tests
This question tests the understanding of electric flux through a curved surface in a uniform electric field. The flux entering the cone is calculated by projecting the curved surface onto a plane perpendicular to the electric field.
Concepts Tested
Formulas Used
Φ = E ⋅ A_projected
📚 NCERT Sections This Tests
1.14 — Consider A Uniform Electric Field E = 3 × 103 Î N/C. (A) What Is The
Physics Class 11 · Chapter 1
1.14 Consider a uniform electric field E = 3 × 103 î N/C. (a) What is the flux of this field through a square of 10 cm on a side whose plane is parallel to the yz plane? (b) What is the flux through the same square if the normal to its plane makes a 60° angle with the x-axis?
1.15 — What Is The Net Flux Of The Uniform Electric Field Of Exercise 1.14
Physics Class 11 · Chapter 1
1.15 What is the net flux of the uniform electric field of Exercise 1.14 through a cube of side 20 cm oriented so that its faces are parallel to the coordinate planes?
2.4 — A Spherical Conductor Of Radius 12 Cm Has A Charge Of 1.6 × 10–7C
Physics Class 11 · Chapter 2
2.4 A spherical conductor of radius 12 cm has a charge of 1.6 × 10–7C distributed uniformly on its surface. What is the electric field (a) inside the sphere (b) just outside the sphere (c) at a point 18 cm from the centre of the sphere?
📋 Question Details
- Chapter
- Electrostatics
- Topic
- Electric Flux
- Year
- 2014
- Shift
- 11 Apr Online
- Q Number
- Q16
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 1: Electric Charges and Fields
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