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Is V the reference vector for parallel RC circuits?

Answer 1

Yes.

See below

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.

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Answer 2

Isabella Alvarez

No, V is not the reference vector for parallel RC circuits. In parallel RC circuits, the reference vector is typically the total voltage (VT) across the circuit, which is the same as the voltage across each resistor (VR) and capacitor (VC). The reference vector represents the total voltage applied to the circuit and is used to analyze the voltage distribution across the components in the circuit.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.