Question Bank: Magnetic Effects of Electric Current

What is the direction of the magnetic field taken to be in the context of a compass needle?

How are magnetic field lines represented around a bar magnet?

Who accidentally discovered that a compass needle gets deflected when an electric current passes through a metallic wire nearby?

What is the unit of magnetic field strength named after Hans Christian Oersted?

How are like poles and unlike poles of magnets related in terms of attraction and repulsion?

What phenomenon occurs when a compass needle is brought near a bar magnet?

How can you observe the magnetic field lines around a bar magnet using iron filings?

What is the region surrounding a magnet where the force of the magnet can be detected called?

How can you draw the magnetic field lines of a bar magnet yourself?

What is the behavior of a compass needle when placed near the north pole of a magnet?

What is the direction of the magnetic field inside a magnet from its south pole to its north pole?

How does the deflection of a compass needle change as it moves along a magnetic field line?

What is the relationship between electricity and magnetism according to Hans Christian Oersted?

How does the direction of deflection of a compass needle change when the direction of current through a copper wire is reversed?

What determines the pattern of the magnetic field generated by a current through a conductor?

How can you investigate the pattern of the magnetic field around a straight conductor carrying current?

What is the direction of deflection of the north pole of a compass needle when current flows from north to south through a copper wire?

How does the direction of deflection of the needle change when the direction of current through the copper wire is reversed?

What does the pattern of iron filings around a bar magnet demonstrate?

How do iron filings align themselves in the presence of a magnetic field?

What is the significance of the pattern of iron filings around a bar magnet in relation to magnetic field lines?

Why do iron filings arrange themselves in a pattern around a magnet?

What is the significance of the deflection of a compass needle when an electric current passes through a metallic conductor?

How are the magnetic field lines around a bar magnet represented using a compass needle?

Why is it not possible for two magnetic field lines to cross each other?

What is the direction of the magnetic field taken to be in the context of a compass needle?

How are magnetic field lines represented around a bar magnet?

Who accidentally discovered that a compass needle gets deflected when an electric current passes through a metallic wire nearby?

What is the unit of magnetic field strength named after Hans Christian Oersted?

How are the ends of a compass needle defined in terms of poles?

What phenomenon occurs when like poles of magnets are brought near each other?

How can you observe the magnetic field lines around a bar magnet using iron filings?

What is the region surrounding a magnet where the force of the magnet can be detected called?

How can you draw the magnetic field lines of a bar magnet yourself?

What is the behavior of a compass needle when placed near the north pole of a magnet?

What is the direction of the magnetic field lines inside a magnet?

How does the deflection of a compass needle change as it moves towards the poles of a magnet?

What determines the pattern of the magnetic field generated by a current through a conductor?

How does the direction of the magnetic field change when the direction of current through a copper wire is reversed?

What is the pattern of the magnetic field around a straight conductor carrying current?

How does the direction of deflection of a compass needle change when the direction of current through a copper wire is reversed?

What is the relationship between electricity and magnetism according to Hans Christian Oersted?

What technologies were created based on the research of Hans Christian Oersted?

What does it mean when a compass needle gets deflected near a bar magnet?

How can you observe the magnetic field lines around a bar magnet using a compass needle?

What is the significance of the pattern formed by iron filings around a bar magnet?

What is the purpose of tapping the board gently in the activity involving iron filings and a bar magnet?

How do iron filings align themselves in the presence of a magnetic field?

What is the significance of the region surrounding a magnet where the force of the magnet can be detected?

How can you observe the behavior of a compass needle near the north pole of a magnet in an activity?