Q12.This question has Statement-1 and Statement-2. Of the four choices given after the Statements, choose the one that best describes the two Statements. Statement 1: No work is required to be done to move a test charge between any two points on an equipotential surface. Statement 2 : Electric lines of force at the equipotential surfaces are mutually perpendicular to each other. (1) Statement 1 is true, Statement 2 is true, (2) Statement 1 is true, Statement 2 is true, Statement 2 is the correct explanation of Statement 2 is not the correct explanation of Statement 1. Statement 1. (3) Statement 1 is true, Statement 2 is false. (4) Statement 1 is false, Statement 2 is true.
What This Question Tests
This question tests the fundamental conceptual understanding of equipotential surfaces, work done on them, and their relationship with electric field lines.
Concepts Tested
Formulas Used
W = -qฮV
E = -dV/dr
๐ NCERT Sections This Tests
2.3 โ Two Charges 2 Mc And โ2 Mc Are Placed At Points A And B 6 Cm
Physics Class 11 ยท Chapter 2
2.3 Two charges 2 mC and โ2 mC are placed at points A and B 6 cm apart. (a) Identify an equipotential surface of the system. (b) What is the direction of the electric field at every point on this surface?
2.1 โ Two Charges 5 ร 10โ8 C And โ3 ร 10โ8 C Are Located 16 Cm Apart. At
Physics Class 11 ยท Chapter 2
2.1 Two charges 5 ร 10โ8 C and โ3 ร 10โ8 C are located 16 cm apart. At what point(s) on the line joining the two charges is the electric potential zero? Take the potential at infinity to be zero.
2.4 โ A Spherical Conductor Of Radius 12 Cm Has A Charge Of 1.6 ร 10โ7C
Physics Class 11 ยท Chapter 2
2.4 A spherical conductor of radius 12 cm has a charge of 1.6 ร 10โ7C 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?
๐ Question Details
- Chapter
- Electrostatics
- Topic
- Equipotential Surfaces
- Year
- 2013
- Shift
- 25 Apr Online
- Q Number
- Q12
- Type
- Assertion Reasoning
- NCERT Ref
- Class 12 Physics Ch 2: Electrostatics
More from this Chapter
Q43.A charged particle q is placed at the centre O of cube of length L (A B C D E F G H). Another same charge q is placed at a distance L from O. Then the electric flux through ABCD is (1) q/4ฯฯต0L (2) zero (3) q/2ฯฯต0L (4) q/3ฯฯต0L
Q44.If a charge q is placed at the centre of the line joining two equal charges Q such that the system is in equilibrium then the value of q is (1) Q/2 (2) โQ/2 (3) Q/4 (4) โQ/4
Q45.If there are n capacitors in parallel connected to V volt source, then the energy stored is equal to (1) CV (2) 12 nCV2 (3) CV2 (4) 2n1 CV 2
Q46.Capacitance (in F ) of a spherical conductor with radius 1 m is (1) 1.1 ร 10โ10 (2) 10โ6 (3) 9 ร 10โ9 (4) 10โ3