Question

Electric charge and magnetism are related to one another. Magnetic fields are generated by *blank* electric charges. When an electric charge is *blank* there is no magnetic field. Magnetic fields cannot be seen, but their effects can be observed with a *blank*

Fill in the blanks

Answer 1

Electric charge and magnetism are related to one another. Magnetic fields are generated by **moving** electric charges. When an electric charge is **at rest**, there is no magnetic field. Magnetic fields cannot be seen, but their effects can be observed with a **compass**.