BIOLOGY CHAPTER 3 QUESTIONS AND ANSWERS LATEST
DOWNLOADED 2025/2026 A COMPLETE EXAM SOLUTION
WITH CORRECT DETAILED ANSWERS BEST GRADED TO SCORE
A+ FOR PASS
What produces a magnetic field? - CORRECT ANSWERS magnets
What are the poles of a magnet? - CORRECT ANSWERS north and south
magnetic field - CORRECT ANSWERS region where magnetic materials experience a
force
What is an example of a magnetic material? - CORRECT ANSWERS iron
What are magnetic field lines used for? - CORRECT ANSWERS - to show the size and
direction of magnetic fields
What do magnets affect? - CORRECT ANSWERS magnetic materials and other magnets
What do like poles do? - CORRECT ANSWERS repel
What do opposite poles do? - CORRECT ANSWERS attract
What happens when magnetic materials are brought into a magnet's magnetic field? -
CORRECT ANSWERS - that material acts as a magnet (induced magnetism)
What happens the larger the electric current? - CORRECT ANSWERS the stronger the
magnetic field
, BIOLOGY CHAPTER 3 QUESTIONS AND ANSWERS LATEST
DOWNLOADED 2025/2026 A COMPLETE EXAM SOLUTION
WITH CORRECT DETAILED ANSWERS BEST GRADED TO SCORE
A+ FOR PASS
What does the direction of the magnetic field depend on? - CORRECT ANSWERS
direction of current
magnetically soft - CORRECT ANSWERS - loses its induced magnetism quickly
magnetically hard definition - CORRECT ANSWERS - keeps its induced magnetism
permanently
example of a hard magnetic material - CORRECT ANSWERS steel
Example of soft magnetic material - CORRECT ANSWERS iron
How do you increase the strength of the magnetic field around a solenoid? - CORRECT
ANSWERS - adding a magnetically "soft" iron core through the middle of the coil
What does a current-carrying wire in a magnetic field cause? - CORRECT ANSWERS - a
force on the wire
What does Fleming's left hand rule tell you? - CORRECT ANSWERS - which way a force
acts
What do generators do? - CORRECT ANSWERS make electricity from the movement of
a turbine
electromagnetic induction definition - CORRECT ANSWERS The creation of a voltage
(and maybe current) in a wire which is experiencing a change in magnetic field.
DOWNLOADED 2025/2026 A COMPLETE EXAM SOLUTION
WITH CORRECT DETAILED ANSWERS BEST GRADED TO SCORE
A+ FOR PASS
What produces a magnetic field? - CORRECT ANSWERS magnets
What are the poles of a magnet? - CORRECT ANSWERS north and south
magnetic field - CORRECT ANSWERS region where magnetic materials experience a
force
What is an example of a magnetic material? - CORRECT ANSWERS iron
What are magnetic field lines used for? - CORRECT ANSWERS - to show the size and
direction of magnetic fields
What do magnets affect? - CORRECT ANSWERS magnetic materials and other magnets
What do like poles do? - CORRECT ANSWERS repel
What do opposite poles do? - CORRECT ANSWERS attract
What happens when magnetic materials are brought into a magnet's magnetic field? -
CORRECT ANSWERS - that material acts as a magnet (induced magnetism)
What happens the larger the electric current? - CORRECT ANSWERS the stronger the
magnetic field
, BIOLOGY CHAPTER 3 QUESTIONS AND ANSWERS LATEST
DOWNLOADED 2025/2026 A COMPLETE EXAM SOLUTION
WITH CORRECT DETAILED ANSWERS BEST GRADED TO SCORE
A+ FOR PASS
What does the direction of the magnetic field depend on? - CORRECT ANSWERS
direction of current
magnetically soft - CORRECT ANSWERS - loses its induced magnetism quickly
magnetically hard definition - CORRECT ANSWERS - keeps its induced magnetism
permanently
example of a hard magnetic material - CORRECT ANSWERS steel
Example of soft magnetic material - CORRECT ANSWERS iron
How do you increase the strength of the magnetic field around a solenoid? - CORRECT
ANSWERS - adding a magnetically "soft" iron core through the middle of the coil
What does a current-carrying wire in a magnetic field cause? - CORRECT ANSWERS - a
force on the wire
What does Fleming's left hand rule tell you? - CORRECT ANSWERS - which way a force
acts
What do generators do? - CORRECT ANSWERS make electricity from the movement of
a turbine
electromagnetic induction definition - CORRECT ANSWERS The creation of a voltage
(and maybe current) in a wire which is experiencing a change in magnetic field.
