Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > In a parallel circuit, we consider __________...
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In a parallel circuit, we consider _____________ instead of impedance.
- a)Resistance
- b)Capacitance
- c)Inductance
- d)Admittance
Correct answer is option 'D'. Can you explain this answer?
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In a parallel circuit, we consider _____________ instead of impedance....
Understanding Admittance in Parallel Circuits
In parallel circuits, admittance is the key parameter to consider instead of impedance. Here’s why:
What is Admittance?
- Admittance is the measure of how easily a circuit allows current to flow.
- It is the reciprocal of impedance and is expressed in siemens (S).
- Admittance combines both conductance (real part) and susceptance (imaginary part).
Implications in Parallel Circuits
- In a parallel circuit, components share the same voltage across them.
- Each component contributes to the total current based on its admittance.
- The total admittance (Y) is simply the sum of the admittances of individual components:
Y_total = Y1 + Y2 + Y3 + ... + Yn
- This summation makes calculations simpler and more intuitive for parallel circuits.
Advantages of Using Admittance
- Simplification of Analysis: Since admittance allows for the direct addition of individual components, it simplifies circuit analysis.
- Easier Calculations: By focusing on admittance, engineers can quickly determine how much current will flow through each branch of the circuit.
- Design Optimization: Understanding admittance aids in optimizing circuit performance and stability.
Conclusion
In summary, while impedance is crucial for series circuits, admittance is the appropriate measure for parallel circuits due to its ability to streamline calculations and enhance understanding of current flows. This makes option 'D' the correct choice when considering parameters in parallel circuits.
In parallel circuits, admittance is the key parameter to consider instead of impedance. Here’s why:
What is Admittance?
- Admittance is the measure of how easily a circuit allows current to flow.
- It is the reciprocal of impedance and is expressed in siemens (S).
- Admittance combines both conductance (real part) and susceptance (imaginary part).
Implications in Parallel Circuits
- In a parallel circuit, components share the same voltage across them.
- Each component contributes to the total current based on its admittance.
- The total admittance (Y) is simply the sum of the admittances of individual components:
Y_total = Y1 + Y2 + Y3 + ... + Yn
- This summation makes calculations simpler and more intuitive for parallel circuits.
Advantages of Using Admittance
- Simplification of Analysis: Since admittance allows for the direct addition of individual components, it simplifies circuit analysis.
- Easier Calculations: By focusing on admittance, engineers can quickly determine how much current will flow through each branch of the circuit.
- Design Optimization: Understanding admittance aids in optimizing circuit performance and stability.
Conclusion
In summary, while impedance is crucial for series circuits, admittance is the appropriate measure for parallel circuits due to its ability to streamline calculations and enhance understanding of current flows. This makes option 'D' the correct choice when considering parameters in parallel circuits.
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Community Answer
In a parallel circuit, we consider _____________ instead of impedance....
In a parallel circuit, when analyzing the behavior of components, we consider admittance instead of impedance. Admittance is the reciprocal of impedance and represents the ease with which alternating current (AC) can flow through a component.
While impedance (Z) is a complex quantity that combines resistance (R) and reactance (X) (which can be inductive or capacitive), admittance (Y) is also a complex quantity that combines conductance (G) and susceptance (B) (which can be inductive or capacitive). The relationship between impedance and admittance is given by the formulas:
Y = 1/Z
Z = 1/Y
Z = 1/Y
In a parallel circuit, the total admittance of the circuit is the sum of the individual admittances of the components connected in parallel. By considering admittance, we can analyze the behavior of components in terms of their conductance and susceptance, which helps in calculating currents and understanding the flow of AC through the parallel circuit.
Therefore, the correct answer is D: Admittance.
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In a parallel circuit, we consider _____________ instead of impedance.a)Resistanceb)Capacitancec)Inductanced)AdmittanceCorrect answer is option 'D'. Can you explain this answer?
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