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QUESTION: 1

In an impedance parallel network, the reactive component will ____________ the voltage by 90 degrees.

Solution:

In an impedance parallel network the reactive component will either lead or lag the voltage by 90 degrees.

QUESTION: 2

In an impedance parallel network the reactive component will either lead or lag the voltage by _________ degrees.

Solution:

In an impedance parallel network the reactive component will either lead or lag the voltage by 90 degrees.

QUESTION: 3

In an impedance parallel network the reactive component will either lead or lag the ________ by 90 degrees.

Solution:

In an impedance parallel network the reactive component will either lead or lag the voltage by 90 degrees.

QUESTION: 4

The reactive component in an impedance parallel circuit leads the voltage when the current _________ the voltage.

Solution:

The reactive component in an impedance parallel circuit leads the voltage when the current leads the voltage.

QUESTION: 5

The phase difference between the active component of an impedance parallel circuit and the voltage in the network is __________

Solution:

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.

QUESTION: 6

The quadrature component is also known as?

Solution:

The quadrature component is also known as the reactive component because the reactive component forms a quadrature with the voltage.

QUESTION: 7

The quadrature component is also known as?

Solution:

The quadrature component is also known as the reactive component because the reactive component forms a quadrature with the voltage.

QUESTION: 8

What is the phase relation between IL and V from the following circuit?

Solution:

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.

QUESTION: 9

What is the expression for the current in the inductor from the following circuit?

Solution:

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.

QUESTION: 10

Find the total current if IL=2A and Ir=8A.

Solution:

We know that I=IR+IL.

Substituting the values from the question, we get I=10A.

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