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A circuit contains a 10 pF capacitor and a 50 pF capacitor connected in parallel.What is the total capacitance of this circuit?
When capacitors are connected in parallel, the total capacitance in the circuit in which they are connected is the sum of both capacitances. Capacitors in parallel add like resistors in series, while capacitors in series add like resistors in parallel.
Active component in resistors and capacitors?
Resistors, capacitors, inductors, diodes are all passive components.
Why discharge resistors needed?
Discharge resistors are needed to safely dissipate stored energy in capacitors when a circuit is powered down or disconnected. They prevent voltage spikes and potential damage to components by ensuring that capacitors discharge their stored energy at a controlled rate. Additionally, they help to reduce the risk of electric shock and enhance the overall safety of the electrical system by preventing accidental re-energization.
How do you convert capacitors to resistors?
Capacitors are completely different than resistors and there can be no converting between them, whatever that means.
What is resistance start capacitor run?
most capacitors will measure infinite resistancestarting capacitors are used to set up a rotating magnetic field by phase shifting a coil in a single phase motorwhen the motor gets up to speed a centrifugal switch will disconnect the capacitorthis happens at a random time and can leave the capacitor with a charge easily 4x the applied ac voltage (+/-1,000V)so some capacitors rated as starting capacitors will have an internal bleeding resistorGas discharge lamp ballast capacitors sometimes have discharge resistors.Microwave ovens have capacitors usually in a voltage doubling configuration(+/-20,000V) most have an internal bleeding resistor.Never rely on this resistor being intact or even present.It can have fatal consequences.the internal resistors are sized to discharge the capacitors in tens of minutesTc = R * C ( seconds = ohms * farads )
A circuit contains a 10 pF capacitor and a 50 pF capacitor connected in parallel.What is the total capacitance of this circuit?
When capacitors are connected in parallel, the total capacitance in the circuit in which they are connected is the sum of both capacitances. Capacitors in parallel add like resistors in series, while capacitors in series add like resistors in parallel.
Which device contains capacitors which store enough electricity in them to cause injury and possible death to a technician and you are not to service?
High-voltage power supplies can retain the voltage in the capacitors after being switched off. However good design has resistors connected permanently across the capacitors to discharge them in 5-10 seconds after switch-off. Obviously the resistors absorb power so their value in ohms is a compromise, not usually a difficult one.
Active component in resistors and capacitors?
Resistors, capacitors, inductors, diodes are all passive components.
Why discharge resistors needed?
Discharge resistors are needed to safely dissipate stored energy in capacitors when a circuit is powered down or disconnected. They prevent voltage spikes and potential damage to components by ensuring that capacitors discharge their stored energy at a controlled rate. Additionally, they help to reduce the risk of electric shock and enhance the overall safety of the electrical system by preventing accidental re-energization.
How do you convert capacitors to resistors?
Capacitors are completely different than resistors and there can be no converting between them, whatever that means.
What type of circuit is it when capacitors are combined with resistors?
RC Circuit
If two capacitors of capacitance 22 microfarads and 45 microfarads are connected in series what will be the equivalant capacitance?
Capacitors in series are like resistors in parallel.CSERIES = C1 C2 / ( C1 + C2 )Plug 22 and 45 into that equation and you get about 15 microfarads.
What is an electronic component used for?
An electronic component is simply used to resist the flow of a certain current. In theory, it is connected to a circuit board and includes those resistors, capacitors, and transistors.
How capacitors have made advancement in technology?
It is fair to say that without capacitors (and resistors and inductors) we would have no electronics. Better dielectrics are an area for improvement in capacitors, as is reduction in size.
What is RC elements?
Electrical elements are conceptual abstractions representing idealized electrical components, such as resistors, capacitors, and inductors, used in the analysis of electrical networks.(wikipedia)RC elements is the elements consisting of resistors and capacitors
What is the relationship between capacitors in series and resistors in series?
resistor isdefined as the opposing the current flow in a circuit. capacitor is defined as the store the electric field in one forth of the cycle and the another quarter cycle stored energy will be released
What is the name of the invention that combined transistors and capacitors on a single chip?
A microprocessor combines Transistors, Capacitors, and Resistors on a very small 'chip'
