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 An inductor filter connected in series with a resistive load provides a
  • a)
    smoothing of the output voltage waveform
  • b)
    smoothing of the input voltage waveform
  • c)
    smoothing of the output current waveform
  • d)
    smoothing of the input current waveform
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
An inductor filter connected in series with a resistive load provides ...
 Filter is always connected to the load side (output). Inductor has the property of keeping the current smooth and constant.
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An inductor filter connected in series with a resistive load provides ...
Introduction:
An inductor filter connected in series with a resistive load can provide smoothing of the output current waveform. This means that it can reduce the ripple or fluctuations in the current flowing through the load. To understand this concept, let's break down the answer into several sections.

Explanation:
1. Inductor Filter:
An inductor filter consists of an inductor connected in series with a load. The inductor has the property of opposing changes in current flowing through it. It stores energy in its magnetic field when current increases and releases this stored energy when current decreases. This behavior of the inductor helps in reducing the rate of change of current and thereby smoothing the waveform.

2. Resistive Load:
A resistive load is a load that primarily dissipates electrical energy in the form of heat. It offers resistance to the flow of current and converts electrical energy into other forms such as heat or light. In this case, the resistive load is connected in series with the inductor filter.

3. Smoothing of the Output Current Waveform:
When an inductor filter is connected in series with a resistive load, it acts as a low-pass filter for the current. It allows the DC component of the current to pass through while attenuating or reducing the magnitude of the AC or ripple component. This results in a smoother output current waveform with reduced ripple.

4. How Does the Inductor Filter Achieve Smoothing?
The inductor in the filter opposes changes in current by storing and releasing energy in its magnetic field. When the input current increases, the inductor stores energy by building up a magnetic field. This helps in reducing the rate of change of current and smoothing out the waveform. Similarly, when the input current decreases, the inductor releases the stored energy, which helps in maintaining a more constant current flow.

5. Advantages of Smoothing the Output Current:
Smoothing the output current is beneficial in several ways:
- It reduces the ripple voltage across the load, which can improve the stability and performance of electronic devices.
- It minimizes the electromagnetic interference (EMI) generated by the load, which can interfere with other nearby electronic devices.
- It helps in achieving a more constant and reliable power supply, which is essential for sensitive electronic circuits.

Conclusion:
An inductor filter connected in series with a resistive load provides smoothing of the output current waveform. The inductor's ability to oppose changes in current and store/release energy in its magnetic field helps in reducing the ripple or fluctuations in the current flowing through the load. This provides a more stable and reliable power supply, which is beneficial for various electronic applications.
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An inductor filter connected in series with a resistive load provides aa)smoothing of the output voltage waveformb)smoothing of the input voltage waveformc)smoothing of the output current waveformd)smoothing of the input current waveformCorrect answer is option 'C'. Can you explain this answer?
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