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Moving Charges and Magnetic Field
Physics · Chapter 7 · Units 3-4: Magnetic Effects of Current and Magnetism; Electromagnetic Induction and Alternating Currents
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Your path through this chapter
Visual lesson Beta
- Part 1: Defining B and the fields of currents18 slides
- Part 2: Forces on moving charges and currents17 slides
Flashcards Beta
30 cards for quick recall of key terms and facts.
Review the cards Step 3: Not startedPractice
68 board-style questions with instant checks: Numerical 22, Multiple choice 16, Short answer 15, Assertion and reason 6.
Practise Step 4: Not startedChapter test Free
Short and long chapter tests in board pattern, with results and analysis.
Step 5: Not started- Chapter test (long) — Moving Charges and Magnetic Field · 40 marks · 100 min
- Chapter test (short) — Moving Charges and Magnetic Field · 20 marks · 50 min
Topics 5
- Oersted's experiment; magnetic field B defined by F = q(v x B); Biot-Savart law in vector form
- Field at the centre of a circular current loop and at a point on its axis
- Ampere's circuital law: field near a long straight wire and inside a long solenoid; formula for a finite straight conductor
- Force on a moving charge in magnetic and electric fields; Lorentz force; special cases
- Force on a current-carrying conductor F = I(l x B); force between two parallel currents; definition of the ampere and coulomb