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The Coulomb constant is Ke = 9.0x10^9 Nm^2 C^-2 and that the gravitational constant is G = 6.7x10^-11 N m^2 kg^-2.
When are electrostatic forces attractive? When are they repulsive? How is this different from gravitational force?
Generates a voltage based on another voltage with respect to a specified gain. It has infinite input impedance and zero output impedance.
The voltage across a 2 F capacitor is v(t) = 20*e^(-4t) volts. What is the instantaneous power?
For one of the connections the cutoff frequency wc is given in rad/sec. Calculate wc for other connections; determine the type of each filter.
A +60.0-nC point-charge is at each of the vertices of an equilateral triagle. What is the potential at a point 25.0 cm from each of the charges?
Do this integral and show that Uth =1/2CVo2, which is consistent with energy initially stored in the field according to part (a).
What will be the charge on the 2.61 micro F capacitor and what will be the charge on the 7.79 micro F capacitor?
What is the maximum capacitance that you can form from these? What is the minimum capacitance that you can form from these?
If a third capacitor is connected in parallel with the other two, does the equivalent capacitance increase, decrease, or remain the same? Explain.
Three capacitors of 2.0, 5.0, and 20 microF are joing together in parallel. What is their equaivalent capacitance?
Three capacitors(4.0, 6.0 and 15.0 Micro Farads) are connected in series across a 50 volts battery. Find the voltage across the 4.0 micro Farad capacitor.
When this capacitor (C1) is then connected to a second (uncharged) capacitor, the voltage on C1 drops to 10 volts. What is the value of C2?
Terminals A and B are connected to a 9.0 V battery. Find the energy stored in each capacitor.
A negative charge of 2.0 micro coulombs is held at a distance of 0.30 m from a negative charge of 1.2 micro coulombs.
You have three capacitors and a battery. How should you combine the capacitors and the battery in one circuit so that the capacitors.
The circuit is to be tuned over the given frequency range by means of capacitors which are connected in series with the primary and secondary.
When C1 is fully charged, the battery is removed and C1 is put into a circuit with a switch and another capacitor C2 which has a capacitance.
Two capacitors, with capacitance 4.20*10^-6 F and 5.90*10^-6 F, are connected in parallel across a 660-V supply line.
Draw curves of e, rb and P as functions of x for ero = 3.00, a = ero/s, s = 1.00 mm when the applied voltage is 1.00 volts.
If the capacitor of the device is to be 1.00 F, what must be the separation between the plates?
Two parallel plates of area 100cm^2 are given charges of equal magnitudes 8.9X10^-7 but opposite signs.
For the capacitor network shown in the figure, the potential difference across ab is 36 V.
A fuel gauge uses a capacitor to determine the height of the fuel in a tank. The effective dielectric constant K_eff changes from a value of 1.
For each of the circuits from #1 determine the total energy stored by the capacitors. Which configuration stores the greater amount of energy?