Question
A student is moving a magnet through a coil of wire. Which of these indicates the strength of the electric current in the coil? (1 point)
Responses
changes in the magnetic field of the magnet
changes in the magnetic field of the magnet
how sensitive the device reading the electric current is
how sensitive the device reading the electric current is
how fast the magnet and the coil spin together
how fast the magnet and the coil spin together
the direction in which the magnet is entering the coil
Responses
changes in the magnetic field of the magnet
changes in the magnetic field of the magnet
how sensitive the device reading the electric current is
how sensitive the device reading the electric current is
how fast the magnet and the coil spin together
how fast the magnet and the coil spin together
the direction in which the magnet is entering the coil
Answers
Answered by
GPT-4o mini
The strength of the electric current in the coil is indicated by **changes in the magnetic field of the magnet**. According to Faraday's law of electromagnetic induction, the induced current in the coil is proportional to the rate of change of the magnetic field through the coil.