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In electronic circuits, for blocking the DC component of a voltage signal, a/an______is connected in series with the voltage source.
- a)capacitor
- b)diode
- c)resistor
- d)inductor
Correct answer is option 'A'. Can you explain this answer?
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For blocking the DC component of a voltage signal, a capacitor is connected in series with the voltage source.
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In electronic circuits, for blocking the DC component of a voltage si...
Capacitor as a DC Blocker in Electronic Circuits
In electronic circuits, a capacitor is commonly used as a DC blocker when connected in series with the voltage source. Here's how it works:
Function of Capacitor:
- A capacitor is a passive electronic component that stores and releases electrical energy in the form of an electric field.
- When a DC voltage signal is applied across a capacitor, it charges up to the voltage level of the source.
Blocking DC Component:
- Capacitors are reactive components that allow AC signals to pass through while blocking DC signals.
- The capacitor blocks the flow of direct current (DC) and only allows alternating current (AC) to pass through.
Working Principle:
- When a DC voltage is applied to the circuit with a capacitor in series, the capacitor charges up to the DC voltage level and blocks any further flow of DC current.
- However, the capacitor allows any alternating current (AC) component of the signal to pass through, as it can charge and discharge rapidly in response to changes in the input signal.
Applications:
- DC blocking capacitors are commonly used in audio circuits, coupling capacitors, and in power supply circuits to remove any DC offset.
Using a capacitor as a DC blocker is a simple and effective way to ensure that only the desired AC signals pass through while blocking any unwanted DC component in electronic circuits.
In electronic circuits, a capacitor is commonly used as a DC blocker when connected in series with the voltage source. Here's how it works:
Function of Capacitor:
- A capacitor is a passive electronic component that stores and releases electrical energy in the form of an electric field.
- When a DC voltage signal is applied across a capacitor, it charges up to the voltage level of the source.
Blocking DC Component:
- Capacitors are reactive components that allow AC signals to pass through while blocking DC signals.
- The capacitor blocks the flow of direct current (DC) and only allows alternating current (AC) to pass through.
Working Principle:
- When a DC voltage is applied to the circuit with a capacitor in series, the capacitor charges up to the DC voltage level and blocks any further flow of DC current.
- However, the capacitor allows any alternating current (AC) component of the signal to pass through, as it can charge and discharge rapidly in response to changes in the input signal.
Applications:
- DC blocking capacitors are commonly used in audio circuits, coupling capacitors, and in power supply circuits to remove any DC offset.
Using a capacitor as a DC blocker is a simple and effective way to ensure that only the desired AC signals pass through while blocking any unwanted DC component in electronic circuits.
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In electronic circuits, for blocking the DC component of a voltage signal, a/an______is connected in series with the voltage source.a)capacitorb)diodec)resistord)inductorCorrect answer is option 'A'. Can you explain this answer?
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