What will be the resulting current when a...

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Question 1 of 2066636eed28f7522a1c51da12

What will be the resulting current when a voltage of 12 VDC is applied to a capacitance of 470 microfarads in figure "C" of the illustrated circuit after the capacitor has had ample time to fully charge? Illustration EL-0018

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Question 1 of 20

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🔍 Key Concepts

• Capacitor behavior in DC circuits – how current changes from the instant the switch is closed to long after • The idea of a capacitor as an open circuit or short circuit at different times • What “after the capacitor has had ample time to fully charge” means for voltage across and current through the capacitor

💭 Think About

• When you first close the switch on a DC source feeding only a capacitor, how does current behave at that instant? As time goes on, does it increase, decrease, or stay the same? • Once the capacitor is fully charged and the voltage across it is no longer changing, what does that say about current, using the relationship I = C × dV/dt? • Look at figure C carefully: after a long time, is there any continuous path for DC current to flow through, or does the capacitor act more like a break in the circuit?

✅ Before You Answer

• Be clear on the difference between transient current (right when you close the switch) and steady‑state current (a long time later). • Confirm how an ideal capacitor behaves at steady state on DC: does it pass DC continuously, or block it? • Make sure the answer choice you select matches a current that would flow only after the capacitor has fully charged and conditions are steady, not during the brief charging interval.

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