At any point in space, the electric field E is defined to be in thedirection of the electric force on a positively charged particle at thatpoint. Why don’t we similarly define the magnetic field B to be in thedirection of the magnetic force on a moving, positively charged particle?

At any point in space, the electric field E is defined to be in thedirection of the electric force on a positively charged particle at thatpoint. Why don’t we similarly define the magnetic field B to be in thedirection of the magnetic force on a moving, positively charged particle?

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Question

At any point in space, the electric field E is defined to be in the
direction of the electric force on a positively charged particle at that
point. Why don’t we similarly define the magnetic field B to be in the
direction of the magnetic force on a moving, positively charged particle?

Expert Solution