a switch that connects a battery to a 10 mf capacitor is closed. several seconds later you find that the capacitor plates are charged to {30 mc. what is the emf of the battery?

The voltage across the capacitor, which is 3V, will represent the emf of the battery.The energy provided by a battery or cell per coulomb (Q) of charge travelling through it is known as the (EMF), or electromotive force. When there is no current flowing through the circuit, the emf across the cell terminals has a magnitude equal to V (potential difference).We are given that,The amount of charge = Q = 30μCThe capacitance = C = 10μCThus, to compute the voltage (V) across a capacitor by the formula,V = Q/CV =30/10V = 3voltsTherefore ,the voltage across a 10μF capacitor will be 3V if a switch that connects a battery to it is closed for a few seconds and the capacitor plates are heated to 30μC.To know more about emf https://brainly.com/question/12367981#SPJ4