Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > A capacitor C at time t = 0+ with zero initia...
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A capacitor C at time t = 0+ with zero initial charge acts as a:
- a)short circuit
- b)open circuit
- c)current circuit
- d)voltage source
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
A capacitor C at time t = 0+ with zero initial charge acts as a:a)shor...
Explanation:
When a capacitor is initially charged, it acts as an open circuit. However, in this case, the capacitor has zero initial charge. Therefore, it acts as a short circuit.
A capacitor is an electronic component that stores electric charge. It consists of two conductive plates separated by an insulating material called a dielectric. When a voltage is applied across the plates, charge accumulates on the plates, creating an electric field between them. The amount of charge that can be stored by the capacitor is proportional to the voltage applied and the capacitance of the capacitor.
When a capacitor is initially charged, it acts as an open circuit because there is no path for current to flow through the capacitor. However, in this case, the capacitor has zero initial charge, which means that there is no voltage across the plates. Therefore, the capacitor acts as a short circuit because there is no resistance to the flow of current.
A short circuit is a path of low resistance that allows current to flow freely. In this case, the capacitor acts as a short circuit, which means that current can flow through the capacitor without any hindrance.
Conclusion:
Therefore, the correct answer is option 'A' - short circuit.
When a capacitor is initially charged, it acts as an open circuit. However, in this case, the capacitor has zero initial charge. Therefore, it acts as a short circuit.
A capacitor is an electronic component that stores electric charge. It consists of two conductive plates separated by an insulating material called a dielectric. When a voltage is applied across the plates, charge accumulates on the plates, creating an electric field between them. The amount of charge that can be stored by the capacitor is proportional to the voltage applied and the capacitance of the capacitor.
When a capacitor is initially charged, it acts as an open circuit because there is no path for current to flow through the capacitor. However, in this case, the capacitor has zero initial charge, which means that there is no voltage across the plates. Therefore, the capacitor acts as a short circuit because there is no resistance to the flow of current.
A short circuit is a path of low resistance that allows current to flow freely. In this case, the capacitor acts as a short circuit, which means that current can flow through the capacitor without any hindrance.
Conclusion:
Therefore, the correct answer is option 'A' - short circuit.
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Community Answer
A capacitor C at time t = 0+ with zero initial charge acts as a:a)shor...
Capacitor's property is "it passes the AC Signal and blocks DC Signal". At t=0+, it has zero initial charge hence it will act as a short circuit, without affecting the circuit properties it will pass the signal as it is.
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A capacitor C at time t = 0+ with zero initial charge acts as a:a)short circuitb)open circuitc)current circuitd)voltage sourceCorrect answer is option 'A'. Can you explain this answer?
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