what is the phase relationship between vs and it in series rl circuit?
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CONCLUSION: In case of pure resistive circuit, the phase angle between voltage and current is zero and in case of pure inductive circuit, phase angle is 90o but when we combine both resistance and inductor, the phase angle of a series RL circuit is between 0o to 90o.
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That is why LCR series circuit is called voltage magnification circuit. It is to be keep in mind that output voltage v(C)&v(L) are opposite in phase and at resonance v(C) =- v(L). So that v(C)+v(L)=0 and total voltage drop is series across capacitor & inductor is zero.
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In a delta system, the phase current is less than the line current by the square root of 3. In a wye system, the phase current equals the line current. Phase load — The load on the transformer winding. Phase voltage — The internal transformer voltage generated across one winding of a transformer.
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Kirchhoffs Voltage Law or KVL, states that “in any closed loop network, the total voltage around the loop is equal to the sum of all the voltage drops within the same loop” which is also equal to zero. In other words the algebraic sum of all voltages within the loop must be equal to zero.
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The transient time of any inductive circuit is determined by the relationship between the inductance and the resistance. For example, for a fixed value resistance the larger the inductance the slower will be the transient time and therefore a longer time constant for the LR series circuit.
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At resonance, voltage across the resistor is in phase with the applied current. Voltage across the inductor will lead the applied current by 90 degrees.
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The phase difference between current and voltage in an AC circuit is π/4 radian. ... That is a full circle 2π radians (or 360 Degrees). The phase difference (angle between curent and voltage) is π/4 part of this circle. That corresponds to 0.02 Seconds * (π/4) / (2 π) = 0.02 Seconds * 1/8 = 0.0025 Seconds.
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If you think of the voltage waveform as a sinewave the actual voltage is time varying and is actually at zero many times (twice the frequency) a second. A lagging current would “cross' zero after the voltage had. Lagging or leading current refers to AC (alternating current).
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If no internal resistance is present in voltage supply, the potential difference across the resistor is equal to supply voltage. Now imagine the same circuit but total current is given as 0.1A . The potential difference is V=IR=0.1*5=0.5V, which basically means the statement above is incorrect.
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With a linear load, the relationship between the voltage and current waveforms are sinusoidal and the current at any time is proportional to the voltage (Ohm's law). ... On the other hand, with a non-linear load the current isn't proportional to the voltage and it fluctuates based on alternating load impedance.
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In a series circuit, the output current of the first resistor flows into the input of the second resistor; therefore, the current is the same in each resistor. In a parallel circuit, all of the resistor leads on one side of the resistors are connected together and all the leads on the other side are connected together.
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Moreso, in a purely resistive circuit, the phase angle between current and voltage is zero. Additionally, if we were to express the instantaneous current and instantaneous applied voltage of a typical purely resistive circuit, it will indicate that the supplied voltage and current are indeed in phase with each other.
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Phase Relationship of a Sinusoidal Waveform Then the angle of rotation within a particular time period will always be the same and the phase difference between the two quantities of v and i will therefore be zero and Φ = 0. ... Then the two alternating quantities, v and i are said to be “in-phase”.
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The same current flows through each part of a series circuit. The total resistance of a series circuit is equal to the sum of individual resistances. Voltage applied to a series circuit is equal to the sum of the individual voltage drops.
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In Star connection, the line current is equal to the Phase current, whereas in Delta Connection the line current is equal to root three times of the Phase Current. In Star connection, line voltage is equal to root three times of the Phase Voltage, whereas in Delta Connection line voltage is equal to the Phase voltage.
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Both the IV and VI graph shows the relation between potential V, and current I. In VI graph, we take potential at y-axis and current at x-axis. The slope of VI graph give us the resistance. In IV graph, Current is at y-axis and potential is at x-axis.
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The equivalent resistance of resistors in series is: Req = R1 + R2 + R3 + ... The single equivalent resistor has the same current through it as each resistor in the series circuit, and the potential difference across it equals the total potential difference across the whole chain of resistors.