Test: Parallel Impedance Circuits
10 Questions MCQ Test Basic Electrical Technology | Test: Parallel Impedance Circuits
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In an impedance parallel network, the reactive component will ____________ the voltage by 90 degrees.
In an impedance parallel network the reactive component will either lead or lag the voltage by 90 degrees.
In an impedance parallel network the reactive component will either lead or lag the voltage by _________ degrees.
In an impedance parallel network the reactive component will either lead or lag the voltage by 90 degrees.
In an impedance parallel network the reactive component will either lead or lag the ________ by 90 degrees.
In an impedance parallel network the reactive component will either lead or lag the voltage by 90 degrees.
The reactive component in an impedance parallel circuit leads the voltage when the current _________ the voltage.
The reactive component in an impedance parallel circuit leads the voltage when the current leads the voltage.
The phase difference between the active component of an impedance parallel circuit and the voltage in the network is __________
The active component in an impedance parallel network will always be in phase with the voltage in the circuit. Hence the phase difference is 0.
The quadrature component is also known as the reactive component because the reactive component forms a quadrature with the voltage.
The quadrature component is also known as the reactive component because the reactive component forms a quadrature with the voltage.
What is the phase relation between IL and V from the following circuit?
IL is the current across the inductor and we know that the current across the inductor always lags the voltage across it. Hence IL lags V.
What is the expression for the current in the inductor from the following circuit?
In the given circuit, the voltage across the inductor is the same as the source voltage as they are connected in parallel. The current in the inductor is IL hence IL=V/XL.
We know that I=IR+IL.
Substituting the values from the question, we get I=10A.
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