Magnetic Field Lines (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What do magnetic field lines represent?
What do magnetic field lines represent?
Both strength and direction of fields
What does closely packed field lines indicate?
What does closely packed field lines indicate?
Strong magnetic field
Which direction do magnetic field lines point?
Which direction do magnetic field lines point?
From north poles to south poles
What are compass needles made from?
What are compass needles made from?
Magnetised iron or steel
Why do iron filings align with magnetic field lines?
Why do iron filings align with magnetic field lines?
They become magnetised in the field
Who discovered that electric currents create magnetic fields?
Who discovered that electric currents create magnetic fields?
Hans Christian Øersted in 1819
What shape are magnetic field lines around a straight current-carrying wire?
What shape are magnetic field lines around a straight current-carrying wire?
Circular loops
What is a solenoid?
What is a solenoid?
A coil of many wire loops
Can a magnetic north pole exist without a south pole?
Can a magnetic north pole exist without a south pole?
No, poles always come in pairs
What shape do magnetic field lines always form?
What shape do magnetic field lines always form?
Closed loops