Q17.A point charge of 10 µC is placed at the origin. At what location on the X -axis should a point charge of 40 µC be placed so that the net electric field is zero at x = 2 cm on the X -axis ? (1) x = 6 cm (2) x = 4 cm (3) x = 8 cm (4) x = –4 cm
What This Question Tests
This question involves finding the position where the net electric field due to two point charges is zero, requiring the application of Coulomb's law and superposition.
Concepts Tested
Formulas Used
E = kq/r²
📚 NCERT Sections This Tests
2.1 — Two Charges 5 × 10–8 C And –3 × 10–8 C Are Located 16 Cm Apart. At
Physics Class 11 · Chapter 2
2.1 Two charges 5 × 10–8 C and –3 × 10–8 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.
1.18 — A Point Charge Of 2.0 Mc Is At The Centre Of A Cubic Gaussian
Physics Class 11 · Chapter 1
1.18 A point charge of 2.0 mC is at the centre of a cubic Gaussian surface 9.0 cm on edge. What is the net electric flux through the surface?
2.3 — Two Charges 2 Mc And –2 Mc Are Placed At Points A And B 6 Cm
Physics Class 11 · Chapter 2
2.3 Two charges 2 mC and –2 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?
📋 Question Details
- Chapter
- Electrostatics
- Topic
- Electric Field due to Point Charges
- Year
- 2023
- Shift
- 25 Jan Shift 2
- Q Number
- Q17
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 1: Electric Charges and Fields
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