Which of the following equations is correct in electromagnetism?
(2) FE
qBsin e
( (1) FE
qu
Bsine
(3) F=qvBsine
(4) F = quBcose
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∮→B⋅d→ℓ=μ0(I+ddt(ε0∫→E⋅d→A)). This gives the total magnetic force around a circuit in terms of the current through the circuit, plus any varying electric field through the circuit (that's the “displacement current”).
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