
State which of the two a capacitor or an inductor, tends to become SHORT when the frequency of the applied alternating voltage has a high value.
Answer
464.7k+ views
Hint: There is less time to adjust the voltage when the frequency is increased. When the time interval is reduced, the change in current is lowered as well, resulting in a lower current. If the inductance is raised, the current is also lowered. So we will answer this question according to this.
Complete Step By Step Answer:
When a capacitor is considered to be "usually connected" to a source voltage, we can say that its voltage and current steadily increase and decrease. When an inductor is said to be connected to a source voltage, the current and voltage of the inductor progressively grow and drop.
When a capacitor and an inductor are used together, the capacitor will act short at high frequencies and open at low frequencies. So, at high frequencies, the capacitor has a short time to collect a little quantity of charge, whereas at low frequencies, the capacitor has a long time to collect a large amount of charge, indicating the presence of a large reverse voltage. As a result, the total of the capacitor and ac source voltages will be close to zero, indicating that the current will likewise be close to zero.
Hence the answer is the capacitor tends to become SHORT when the frequency of the applied alternating voltage has a high value.
Note:
A capacitor resists voltage changes whereas an inductor resists current changes. We can also state that the inductor stores energy in the form of a magnetic field, whereas the capacitor stores energy in the form of an electric field.
Complete Step By Step Answer:
When a capacitor is considered to be "usually connected" to a source voltage, we can say that its voltage and current steadily increase and decrease. When an inductor is said to be connected to a source voltage, the current and voltage of the inductor progressively grow and drop.
When a capacitor and an inductor are used together, the capacitor will act short at high frequencies and open at low frequencies. So, at high frequencies, the capacitor has a short time to collect a little quantity of charge, whereas at low frequencies, the capacitor has a long time to collect a large amount of charge, indicating the presence of a large reverse voltage. As a result, the total of the capacitor and ac source voltages will be close to zero, indicating that the current will likewise be close to zero.
Hence the answer is the capacitor tends to become SHORT when the frequency of the applied alternating voltage has a high value.
Note:
A capacitor resists voltage changes whereas an inductor resists current changes. We can also state that the inductor stores energy in the form of a magnetic field, whereas the capacitor stores energy in the form of an electric field.
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