What phenomenon did Oersted's experiment demonstrate about the relationship between electricity and magnetism?

What did Faraday's experiment demonstrate about magnetic fields and electricity?

Which of the following materials is most commonly used as a core in electromagnets?

In Oersted's experiment, what instrument was used to observe the effect of electric current on a magnetic field?

What is the main principle behind electromagnetic induction discovered by Faraday?

What is the effect of increasing the electric current in a solenoid on its magnetic field strength?

What happens to the magnetic field lines when an electric current flows through a straight conductor?

In Faraday's law of electromagnetic induction, what is the relationship between the speed of movement of a magnet and the induced electric current?

What is created when electricity flows through a coil of wire?

What did Oersted discover when he ran an electric current through a wire next to a compass?

What does an electromagnet require to function?

Which of the following materials is commonly used in the core of an electromagnet?

What is the direction of the magnetic field around a current-carrying wire?

What is the principle behind how electric generators work?

What happens to the strength of an electromagnet when the electric current is increased?

What device utilizes electromagnetism to convert electrical energy into mechanical energy?

What is the effect of a magnetic field on a moving charged particle?

What unit is used to measure the strength of a magnetic field?

What effect does an electric current have on a compass needle?

Which of the following components is essential for creating an electromagnet?