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The magnetic flux through a circuit of resistance R changes by an amount $\Delta \phi$ in time $\Delta t$, Then the total quantity of electric charge Q, which passing during this time through any point of the circuit is given by

(1) $Q=\frac{\Delta \varphi }{\Delta t}$

(2) $Q=\frac{\Delta \varphi }{\Delta t}×R$

(3) $Q=-\frac{\Delta \varphi }{\Delta t}+R$

(4) $Q=\frac{\Delta \varphi }{R}$