The discussion centers on the influence of electric fields on a compass needle. It concludes that a compass needle will not deflect in the presence of an electric field generated by static charges, as there is no magnetic field present to affect its orientation. The participants agree that while electric fields can induce surface charges on the needle, this effect is negligible compared to the magnetic forces involved. The consensus is that magnetic forces are significantly stronger than electrostatic forces, particularly at lower voltages.
PREREQUISITESPhysics students, educators, and anyone interested in the interactions between electric fields and magnetic devices such as compasses.
Right...I really forgot this situation. However if he emphasize the "electric field" not the "charge," I think the answer is still the same?TSny said:E field might induce surface charge on the needle.