Magnetic Field Associated With a Current (Grade 11 NSC Matric Physical Sciences): Flashcards
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Practise the cards
10 cards from this deck
Electromagnetism
Electromagnetism
Interaction between charges, currents, electric & magnetic fields
Magnetic field orientation relative to current
Magnetic field orientation relative to current
Perpendicular to direction of current flow
Symbol for magnetic field
Symbol for magnetic field
Magnetic field when no current flows
Magnetic field when no current flows
No magnetic field present
Right Hand Rule
Right Hand Rule
Thumb = current direction, fingers curl = field direction
⊙ symbol meaning
⊙ symbol meaning
Arrow coming out of the page
⊗ symbol meaning
⊗ symbol meaning
Arrow going into the page
Solenoid
Solenoid
Cylindrical coil of wire acting as magnet when current flows
Electromagnet
Electromagnet
Wire designed to generate magnetic field when current passes through
Factors increasing electromagnet strength
Factors increasing electromagnet strength
More coils, iron core, higher current