Understand the laws of electromagnetic induction, and use relevant physical knowledge to determine whether a metal rod cuts a magnetic induction line in a magnetic field to generate an induced electromotive force
Understand the laws of electromagnetic induction and use relevant physical knowledge to determine whether a metal rod cutting magnetic line in a magnetic field produces an induced electric potential
Understand the law of electromagnetic induction, and be able to use the relevant physical knowledge to judge whether the metal rod will generate induced electromotive force when cutting the magnetic induction line in the magnetic field<br>