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What happen when capacitor is connected in series?
When capacitors are connected in series, the total capacitance is less than any one of the series capacitors’ individual capacitances. If two or more capacitors are connected in series, the overall effect is that of a single (equivalent) capacitor having the sum total of the plate spacings of the individual capacitors.
What would you expect to happen when a capacitor is connected in series to a DC circuit?
When capacitor is connected to dc voltage source, capacitor starts the process of acquiring a charge. This will built up voltage across capacitor. Once capacitor has acquire enough charge, current starts flowing and soon capacitor voltage reaches at value approximately equal to dc source voltage.
When does a capacitor become a voltage source?
As the capacitance approaches infinity, the current required to change the voltage across the capacitor approaches infinity. Or thinking of the capacitor as the source, it can supply or sink an infinite current without changing its voltage. This is precisely the definition of a voltage source.
How are capacitors and inductors related in a circuit?
There is also a capacitor in parallel with one of the resistors. After a long time, a switch connecting the 2A source changes to a 9V source, effectively replacing sources. I know that in the original circuit with the current source, the inductor is charged to 2A and acts as a short, while the capacitor acts as open.
Can a voltage source supply current to a circuit?
Actually both kinds of sources can supply voltage and current to a circuit. This seems to be a surprisingly common misconception. For example, if we have a voltage source of e.g. 9 volts, and we connect it to a resistor, the voltage across the resistor will be 9 volts.
How does the current through a resistor depend on the voltage?
For example, if we have a voltage source of e.g. 9 volts, and we connect it to a resistor, the voltage across the resistor will be 9 volts. On the other hand, the current through the resistor depends on the resistance according to the equation: