Electric Charges and Fields - Gauss's Theorem
Physics · Grade 12 · Week 3 · 25 questions
In CBSE Grade 12 physics, Electric Charges and Fields is a heavyweight chapter dealing with Gauss's Theorem. Expect at least one long-answer (5-mark) question from this chapter on the board paper almost every year.
What you'll practise
- State and apply Gauss's Theorem
- Master the key derivations and worked examples from NCERT for electric charges and fields
- Solve CBSE board-pattern problems from electric charges and fields including NCERT exemplar-level questions
All 25 questions in this Electric Charges and Fields - Gauss's Theorem quiz
Grade 12 Physics — Electric Charges and Fields - Gauss's Theorem: 25 practice questions with instant scoring and explanations.
- Electric charge is:
- Elementary charge e ≈ :
- Coulomb's law: F = :
- Value of k = 1/(4πε₀) ≈ :
- Permittivity of free space ε₀ ≈ :
- Electric field due to point charge: E = :
- SI unit of electric field:
- Electric field is a:
- Electric field lines:
- Electric field lines never:
- Electric dipole moment: p = :
- Field on axis of short dipole at distance r: E = :
- Field on equator of short dipole: E = :
- Torque on dipole in field E: τ = :
- Dipole in uniform field experiences:
- Electric flux Φ = :
- Gauss's law: ∮E·dA = :
- Gauss's law holds for:
- Field of infinite sheet of charge (surface density σ):
- Field of infinite line of charge (linear density λ):
- Field inside a conducting sphere (static):
- Field outside a charged conducting sphere (total charge q):
- Excess charge on a conductor resides:
- Faraday cage shields interior from external static fields because:
- The SI unit of charge is the:
Question 1 of 250 correct so far