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If two identical capacitors connected parallel then effective capacitance?
c =c1 +c2
What capacitors are polarity sensitive?
While most electrolytic capacitors are the ones that have a polarity noted as minus "-" and "+" as opposed to ceramic or film capacitors, it's important to note that even electrolytic capacitors could also be labelled as "np" for non-polarized or "bp" bi-polarized, which means the same thing, that there is no plus or minus and the current can flow in both directions. Today a good quality electrolytic, most of the time, will be another color to depict this such as green for example, whereas in older circuits they could sometimes look identical but just be missing the little "-" indicator. So, you need to pay attention to this little detail on older boards when replacing a capacitor.
What is the configuration of cascade amplifier?
In a cascade amplifier, two identical or non identical amplifiers are cascaded ,i.e., connected in series through a capacitor. They are mostly common emitter amplifiers that are cascaded together.The final gain of the cascaded amplifier is the product of the first amplifier's gain and the second amplifier's gain. However, the bandwidth of the cascaded version becomes lesser than the individual gains.
Does batteries connected in parallel increase the current capacity to the circuit?
If each battery is identical, yes.
What is the use of capacitor bank?
I believe that capacitor banks are used to improve the power factor of lagging loads. They do this by reducing the reactive load. Capacitor banks cannot improve the resistive component of a load, and they cannot improve the power factor of leading loads. Here is an explanation of the technical terms used: A leading load is one where current leads voltage. Lagging or reactive loads have current which lags the voltage. Resistive loads have a current which is in phase with (not leading or lagging) voltage. If a capacitor bank is used on a circuit where current lags voltage, it decreases the current lag, improving the power factor. If a capacitor bank is used on a leading or resistive load, it will increase the leading time and make the power factor worse. A leading load is one that is already too capacitive.
If two identical capacitors connected parallel then effective capacitance?
c =c1 +c2
Can you double the volts by connecting two capacitors?
Two capacitors can be connected in series to double the voltage rating, but they must be identical capacitors and they should each have a resistor in parallel to equalise the voltages, the resistors chosen to pass about 1 mA. With two capacitors in series the overall capacitance is half the capacitance of either capacitor. The combination stores equal charge at double the voltage and the stored energy is doubled.
How does a inductor or capacitor returns power to circuit?
A: Current flow only if there is a return path to the source it does not matter what it is connected to. What leaves at one end of the source will be identical to the return in current
What capacitors are polarity sensitive?
While most electrolytic capacitors are the ones that have a polarity noted as minus "-" and "+" as opposed to ceramic or film capacitors, it's important to note that even electrolytic capacitors could also be labelled as "np" for non-polarized or "bp" bi-polarized, which means the same thing, that there is no plus or minus and the current can flow in both directions. Today a good quality electrolytic, most of the time, will be another color to depict this such as green for example, whereas in older circuits they could sometimes look identical but just be missing the little "-" indicator. So, you need to pay attention to this little detail on older boards when replacing a capacitor.
What possible advantage could there be in connecting several identical batteries in parallel?
Several identical batteries connected in parallel supply the same voltage as a single one of them does, but will power the same device several times longer than the single one can before running down.
Does a charged capacitor have an identical level of charge on both plates?
No, in a charged capacitor, one plate has a positive charge and the other plate has a negative charge. The magnitude of the charges on the plates is equal and opposite, resulting in a net charge of zero for the entire capacitor.
What is the collection of identical cells that live together in connected group?
Tissue
My AC fan don't work could this be the capacitor?
Yes. Or the motor has just burnt out! If there is no burnt smell from the motor's windings and you know the power supply to the fan is good, it is worth replacing the capacitor with an identical one. NOTE: It must not be a polarised electrolytic type, it must be non-polarised and rated at the peak mains supply voltage or higher. Such capacitors are usually sold as "AC Motor Start" or "AC Motor Run" capacitors. For a 120 Volts motor use a capacitor rated to operate at 170 Volts peak. Usually these are manufactured to handle at least 200 Volts Peak AC . For a 240 Volts motor use a capacitor rated to operate at 340 Volts peak. Usually these are manufactured to handle at least 400 Volts Peak AC. As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.Before you do any work yourself,on electrical circuits, equipment or appliances,always use a test meter to ensure the circuit is, in fact, de-energized.IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.
Is a capacitor needed to charge a battery from solar cell?
You could charge batteries directly from the cells if they are wired together right. Cells in series and parallel to make power is tricky business. It would help if they were identical but they are not. Now PV power management systems get the most out of all cells all day long.
Are the two sister chromatids that are connected by a centromere identical to one another?
Two sister chromatids that are connected by a centromere are identical to one another. They are duplicate copies of a chromatin.
How can two machines appear identical and yet not have the same actual mechanical advantage-?
They can't uless some parts are hidden from inspection.
Why use of capacitors to correct pf?
Power-factor improvement capacitors are connected in parallel with the load, and are rated in reactive volt amperes. If their reactive volt amperes are identical with the reactive volt amperes of the reactive component of the load, then they act to cancel each other, and bring the phase angle to zero (i.e. the load current becomes in phase with the supply voltage). This reduces the value of the load current without affecting the operation of the load, and allows cables and switchgear with lower current ratings to be used than would otherwise be necessary.
