AQA GCSE Magnetism and Electromagnetism Study Exam Reviewed Questions and Correct Answers 2023/2024

AQA GCSE Magnetism and Electromagnetism Study Exam Reviewed Questions and Correct Answers 2023/2024 What is the region around the magnet called -correct answers magnetic field What are permanent magnets -correct answers they produce their own magnetic field What are induced magnets -correct answers become a magnet when placed in a magnetic field What way do the arrows on field lines run -correct answers north to south What is the flux density -correct answers the density of the field lines - it indicates the strength of the field at that point (the closer the lines the higher the flux density = stronger the field and greater the force) What does the compass needle align with and what direction does it point -correct answers the earth's magnetic field and points to the magnetic north How can a magnetic compass be used to plot the field around a bar magnet -correct answers place the bar magnet on a piece of paper Place the compass at one end of the magnet Mark on the paper where the point of the compass needle is Move the compass so the tail of the needle is at the point that has just been marked Mark on the paper a new point where the needle is Repeat and connect the marks until the full field is plotted What happens when a current flows in a conducting wire -correct answers a magnetic field is produced around the wire What does the direction of the field lines depend on -correct answers the direction of the current and can be found with the right hand grip method