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The magnetic flux through a circuit of resistance \( \mathrm{R} \) changes by an amount \( \Delta \phi \) in time \( \Delta \mathrm{t} \), then the
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total quantity of electric charge \( \mathrm{Q} \), which passing
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during this time through any point of the circuit is given by
(1) \( \mathrm{Q}=\frac{\Delta \varphi}{\Delta \mathrm{t}} \)
(2) \( Q=\frac{\Delta \varphi}{\Delta t} \times R \)
(3) \( \mathrm{Q}=-\frac{\Delta \varphi}{\Delta \mathrm{t}}+\mathrm{R} \)
(4) \( \mathrm{Q}=\frac{\Delta \varphi}{\mathrm{R}} \)


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