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By now you should be quite familiar with two simple types of circuits called series and parallel circuits.You may remember that a circuit is any path along which electrons can flow.This makes sense because voltage produces current, and resistance, well, resists it.
Touch screens on modern smartphones and tablets also employ capacitors, making them quite useful!
The other important part of an RC circuit is the 'R' - the resistor.
In an electrical circuit, a resistor passively opposes the flow of current.
In other words, it 'resists' the electron flow moving through the circuit.
I In any parallel circuit of elemnts: R, C,: resistance, capacitance (and or inductance) , the voltage across all 2 elements is the same, the current through individual elemnnts and its phase differs.
Since the voltage is the common factor, the vector diagram will have the 2 currents relative to the voltage reference vector.
The capacitor plate that is connected to the positive battery terminal does the opposite - it sends electrons back to the battery.
Capacitors can come in all different sizes, and some of them can hold a lot of charge!
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