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+1 vote
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in Physics by (121k points)
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Which of the following is the expression for the continuity equation?

(a) ρ + J = 0

(b) dρ/dt + div.J = 0

(c) dρ/dt + J = 0

(d) ρ + div J = 0

1 Answer

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Best answer
Right choice is (b) dρ/dt + div.J = 0

To explain: Continuity equation shows that the sum of the conduction current and the displacement current has the property of continuity.

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