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Are junction capacitance and transition capacitance the same?
Junction capacitance is used to take the ripple out of DC circuits primarily. The other is used in voltage doublers or step ups as a storage.
Which circuit element is used to block DC in an electronic circuit?
Capacitance will block DC
What is the labeling nomenclature for capacitors and how is it used to identify and select capacitors?
Capacitors are marked with the capacitance and the maximum working voltage. The action of a capacitor is store charge short-term and a capacitor is commonly used as a reservoir of charge in a rectifier circuit to smooth the dc output voltage. Other uses in electronic circuits are as a dc-blocker which passes an ac signal while not passing the dc bias, or as a decoupling capacitor in dc circuits to remove any ac signals present while preserving the dc voltage, or in timing circuits because the time-constant of a resistor and a capacitor connected together is CR, or in filters and tuned circuits. Sometimes a variable capacitor is used, connected to a control knob for tuning a radio. In each of the above applications there are accurate methods to decide exactly how much capacitance is required.
Why auto transformers are not used directly on dc circuits?
Transformers are not used on DC circuits because they rely on a varying magnetic field to transform power.
What is a tuning capacitor?
A capacitor whose capacitance is variable (within some range). They are usually used to adjust resonant circuits or delay circuits.
Why chokes are used in electrical circuits?
commonly with a single dc power source to isolate ac loads from other parts of the circuits. in dc power supplies to remove ripple
What is tuning capacitor?
A capacitor whose capacitance is variable (within some range). They are usually used to adjust resonant circuits or delay circuits.
Why does the concept of stray capacitance came into electronic circuits?
Any two objects that occupy the same universe have capacitance between them. In electronic circuits components are quite close to each other, and this capacitance is often a nuisance, causing cross-talk, instability, and signal losses.
What happen to the apparent power if the DC excitation is reduced?
'Apparent power' is a term used in a.c. circuits, NOT d.c. circuits.
How does the presence of myelin decrease capacitance in neural circuits?
The presence of myelin decreases capacitance in neural circuits by insulating the axon, which reduces the leakage of electrical charge and allows for faster transmission of signals along the neuron.
What is the capacitance energy formula and how is it used in electrical engineering applications?
The capacitance energy formula is given by the equation E 0.5 C V2, where E represents the energy stored in a capacitor, C is the capacitance of the capacitor, and V is the voltage across the capacitor. This formula is used in electrical engineering applications to calculate the amount of energy stored in a capacitor and to design circuits that require specific energy storage capabilities. Capacitors are commonly used in electronic devices to store and release electrical energy, and understanding the capacitance energy formula is essential for designing efficient and reliable circuits.
What is the significance of wire capacitance in electrical circuits and how does it affect the overall performance of the system?
Wire capacitance in electrical circuits refers to the ability of wires to store electrical energy. This capacitance can affect the overall performance of the system by causing delays in signal transmission, affecting the speed and efficiency of the circuit. It can also lead to signal distortion and interference, impacting the accuracy and reliability of the system. Managing wire capacitance is important in designing efficient and reliable electrical circuits.
