THANK YOU in advance! 4. The figure below on left is a current phasor, a vector
ID: 2031035 • Letter: T
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THANK YOU in advance!
4. The figure below on left is a current phasor, a vector rotating with angular frequency such that its vertical component gives the source current. The length of a phasor vector is the amplitude of voltage Phasor for source current Phasors for voltage drops or current. At the right are three voltage phasors marked A, B, and C. These relate to voltages Based on your responses above, identify which of the three phasors corresponds to the voltage drop across each of R, L and C in a series circuit. (The letters A, B, C are not necessarily going to correspond to the curves in the previous question). Explain your choices. For instance, which voltage phasor should line up with the current phasor because the voltage drop is proportional to current?Explanation / Answer
A = Voltage across inductance (L), because voltage leads the current by 90 degrees
B = Voltage across resistor (R), because current and voltage are in phase
C = Voltage across capacitance (C), because voltage lags the current by 90 degrees
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