Chapter 15 of 30
Concept Maps
Electric Charge and Electric Field — Concept Maps
NIOS · Class 12 · Physics
4 concept maps of Electric Charge and Electric Field for NIOS Class 12 Physics, each also written out as a text outline.
43 questions34 flashcards17 formulas & key relations5 concepts
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4 Concept Maps
Chapter Overview: Electric Charge and Electric Field — Complete Mind Map
The map in words
- Electric Charge and Electric Field
- Electric Charge
- Two Types
- Positive Charge
- Negative Charge
- Properties
- Like charges repel
- Unlike charges attract
- Charge is scalar
- Conservation of Charge
- Total charge is constant
- Transfer not creation
- Quantisation of Charge
- Q = Ne
- e = 1.6e-19 C
- Methods of Charging
- Friction
- Conduction
- Induction
- Two Types
- Coulombs Law
- Formula F = kq1q2 divide r squared
- k = 9e9 Nm2 per C2
- Vector Form
- F12 = k q1q2 r-hat divide r2
- Action Reaction Pair
- In Medium
- Force reduced by Er
- Superposition Principle
- Vector sum of all forces
- Electric Field
- Definition E = F divide q0
- Point Charge
- E = kq divide r squared
- Direction
- Away from positive charge
- Towards negative charge
- Superposition
- E = E1 + E2 + E3
- Electric Dipole
- Two equal opposite charges
- Dipole Moment p = q times 2l
- Direction neg to pos
- Unit Coulomb metre
- Axial Field
- E = 2p divide 4 pi e0 r cubed
- Equatorial Field
- E = p divide 4 pi e0 r cubed
- Opposite to p direction
- In Uniform Field
- Torque tau = pE sin theta
- No net force
- Electric Field Lines
- Properties
- Start from positive charge
- End on negative charge
- Never intersect
- Density shows strength
- Properties
- Gauss Law
- Flux phi = E dot A
- phi = q enclosed divide e0
- Applications
- Point charge E = kq divide r2
- Line charge E = sigma-l divide 2 pi e0 r
- Spherical shell
- Outside E = Q divide 4 pi e0 r2
- Inside E = zero
- Plane sheet E = sigma divide 2 e0
- Van de Graaff Generator
- High voltage up to 20 MV
- Charge to outer surface
- Used in particle accelerators
- Electric Charge
Chapter Overview — Electric Charge and Electric Field
The map in words
- root((Electric Charge
- and Field))
- Electric Charge
- Two Types
- Positive Charge
- Negative Charge
- Properties
- Conservation
- Quantisation Q=ne
- Like repels Like
- Methods of Charging
- Friction
- Conduction
- Induction
- Two Types
- Coulombs Law
- F = kq1q2 over r squared
- k = 9x10 to 9 Nm2C-2
- Vector Form
- Superposition Principle
- Electric Field
- Definition E = F over q0
- Due to Point Charge
- Due to Dipole
- End-on E = 2kp over r cubed
- Broad-on E = kp over r cubed
- Field Lines
- Start from positive
- End on negative
- Never cross
- Electric Dipole
- p = q times 2l
- Torque = pE sinθ
- Uniform Field
- Non-uniform Field
- Gauss Law
- Flux = q over epsilon0
- Point Charge
- Line Charge E = sigma over 2pi epsilon0 r
- Spherical Shell
- Outside E = kQ over r squared
- Inside E = 0
- Plane Sheet
- Van de Graaff
- High Voltage Generator
- Corona Discharge
- Nuclear Research
- Electric Charge
Chapter Overview: Electric Charge and Electric Field
The map in words
- Electric Charge and Electric Field
- Electric Charge
- Types of Charge
- Positive Charge
- Negative Charge
- Properties
- Like Charges Repel
- Unlike Charges Attract
- Conservation of Charge
- Charge Neither Created Nor Destroyed
- Only Transferred
- Quantisation of Charge
- Q equals Ne
- e equals 1.6 x 10 minus 19 C
- Types of Charge
- Coulombs Law
- F equals kq1q2 divided by r squared
- k equals 9 x 10 power 9 Nm2 per C2
- Vector Form
- Repulsion for Like Charges
- Attraction for Unlike Charges
- Superposition Principle
- Vector Sum of Forces
- Electric Field
- Definition E equals F divided by q0
- Formula E equals kq divided by r squared
- Due to Dipole
- Axial Position
- Equatorial Position
- Field Lines
- Properties
- Never Cross Each Other
- Electric Dipole
- Dipole Moment p equals 2ql
- Torque tau equals pE sin theta
- In Uniform Field
- Torque but No Net Force
- Gauss Law
- Electric Flux phi equals E dot A
- phi equals Q enclosed divided by epsilon0
- Applications
- Point Charge
- Line Charge
- Spherical Shell
- Plane Sheet
- Van de Graaff Generator
- Corona Discharge
- Belt Carries Charge
- Millions of Volts
- Electric Charge
Electric Charge and Electric Field
The map in words
- Electric Charge and Electric Field
- Electric Charge
- Coulomb's Law
- Electric Field
- Electric Dipole
- Electric Field Lines
- Electric Flux and Gauss Law
- Van de Graaff Generator
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Explore DiagramsFrequently Asked Questions
What are the important topics in Electric Charge and Electric Field for NIOS Class 12 Physics?
Key topics in Electric Charge and Electric Field include Electric Charge — Basic Properties, Coulomb's Law, Electric Field, Electric Dipole and Dipole Moment. Study these first, then practise questions on each for the NIOS Class 12 board exam.
What do the concept maps for Electric Charge and Electric Field show?
The 4 maps show how the ideas in Electric Charge and Electric Field connect: Chapter Overview: Electric Charge and Electric Field — Complete Mind Map; Chapter Overview — Electric Charge and Electric Field. Each map is also written out as an outline on this page.
How should I revise Electric Charge and Electric Field for the NIOS Class 12 board exam?
Learn the core ideas first, then work through the 43 practice questions on Electric Charge and Electric Field. Revise definitions regularly and use flashcards for quick recall before the exam.
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Important Questions
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Formula Sheet
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Chapter Summary
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Study Plan
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Flashcards
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Syllabus
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