When a charged capacitor is made to discharge through an inductor?
When a charged capacitor is made to discharge through an inductor?
When a charged capacitor is made to discharge through an inductor, the charge Q on the capacitor and the current i in the inductor vary sinusoidally.
What happens when a capacitor is connected to an inductor?
If an inductor is connected across a charged capacitor, the voltage across the capacitor will drive a current through the inductor, building up a magnetic field around it. The voltage across the capacitor falls to zero as the charge is used up by the current flow.
Can you discharge a capacitor without a resistor?
Capacitors do not need a resistor to discharge. If you have no resistor, it will discharge quickly. You want to slow it down by having a resistor. Of course, if you have no other passive or battery hooked up with the battery, capacitors do not need a resistor to discharge when you short both sides of the capacitors.
How should capacitors be discharged?
If the capacitor reads as having fewer than 10 volts, you don’t need to discharge it. If the capacitor reads anywhere between 10 and 99 volts, discharge it with a screwdriver. If the capacitor reads in the hundreds of volts, the safest way to discharge it is with a discharge tool, rather than a screwdriver.
When a charged capacitor is allowed to discharge?
A charged capacitor is allowed to discharge through a resistor by closing the key at the instant t=0 (see Figure). At the instant t=(ln4)μs, the reading of the ammeter falls half the initial value.
When a charged capacitor is allowed to discharge through a non resistive inductor?
When a charged capacitor is allowed to discharge through a non-resistive inductor,electrical oscillation of constant amplitude and frequency are produced. These oscillations are called LC oscillation.
How does an inductor discharge?
When the current through an inductor is increased, it drops a voltage opposing the direction of current flow, acting as a power load. In this condition, the inductor is said to be discharging, because its store of energy is decreasing as it releases energy from its magnetic field to the rest of the circuit.
Can I use capacitor instead of inductor?
Of course, they never directly substitute. What this means is that some circuits can be slightly modified so that an inductor is used instead of a capacitor or vice versa to achieve the same purpose. Some circuits cannot. An inductor does not store a charge in its magnetic field, but rather energy.
How do you slow down the discharge of a capacitor?
Add a resistor in series with the capacitor (parallel to the coil) and your capacitor may not build up enough charge to do much of anything. Add a resistor in parallel with both the coil and the capacitor, and you’re just pulling more current (besides discharging your capacitor even faster).
What is the fastest way to discharge a capacitor?
The quickest way to discharge a capacitor is to touch the two terminals of the capacitor together, as is shown below. Again, this is the quickest way to discharge a capacitor. However, it’s only advised that you do this for capacitors storing a very low voltage.
