Hi can you answer these two questions for me? Thanks you in advance.
1) A capacitor is connected across the terminals of a battery. Does the amount of charge that eventually appears on the capacitor plates depend on the internal resistance of the battery?
2) Five wires of the same length and diameter are connected in turn between two points maintained at constant potential difference. Will internal energy be developed at a faster rate in the wire of (A) the smallest or (B) the largest resistance.
1)
NO, the final charge does not depend on the internal resistance.
the amount of charge depends on voltage of battery and capacitance
2)
as the wires are connected in series , the current in the resistances will be same
the larger heat will be dissipaated in larger resitance.
B) the largest
Hi can you answer these two questions for me? Thanks you in advance. 1) A capacitor...
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1. (8 points total) A parallel plate capacitor whose plates have area A and plate separation d is connected to a battery. While the capacitor remiains connected to the battery, describe quantitatively what will happen to the charge on the capacitor if each if the following actions occur. That is, explain numerically how the magnitude of the charge on the capacitor in each circumstance compares to the original a. (3 pts) The distance between...
1- Capacitor B has half of the capacitor A. Compare the load of capacitor A with capacitor B charge when the two capacitors remain connected in series with a battery for a long time. 2- A capacitor immersed in the air has capacitance equal to 12.5 μF when the potential difference at its terminals is 24.0V. If we insert a constant material dielectric equal to 3.75 between the capacitor plates, filling the space between them completely, (a) how much energy...
The picture shows a battery connected to two wires in parallel.
Both wires are made of the same material and are of the same
length, but the diameter of wire A is twice the diameter of wire
B.
True or False for the following:
1) The resistance of wire B is four times as large as the
resistance of wire A.
2) The power dissipated in wire A is 16 times the power
dissipated in wire B.
3) The voltage...
1. Two 13.0-cm-diameter electrodes 0.35 cm apart form a parallel-plate capacitor. The electrodes are attached by metal wires to the terminals of a 15 V battery. a. What is the electric field strength inside the capacitor after insulating handles are used to pull the electrodes away from each other until they are 1.1 cm apart? The electrodes remain connected to the battery during this process. 2. Air isn't a perfect electric insulator, but it does have a very high resistivity....
V sin(wt) is maintained across a parallel-plate capacitor with capacitance C consisting of two circular parallel plates. A thin wire with resistance R connects the centers of the two plates, allowing charge to leak between plates while they are charging. A potential difference V(t) (a) Obtain an expression for the leakage current I(t) in the thin wire. (Use the following as necessary: R, V, t and .) Ire(t)= Use this result to obtain an expression for the current I(t in...
Multiple Choice (6 pts each) 1. An air filled capacitor consisting of two parallel plates separated by a distance d is cons battery of constant voltage V and acquires a charge Q. While still connected to the ba slab of dielectric with 3 is inserted between the plates of the capacitor. What happe the capacitance and charge on the capacitor? Capacitance a) Increase b) Decrease c) Increase d) Decrease e) Increase Charge Stay the same Stay the same Increase Decrease...
1. The terminals of a 0.70 V watch battery are connected by a 130-m-long gold wire with a diameter of 0.100 mm . What is the current in the wire? Express your answer using three significant figures in mA 2. A waterbed heater uses 500 W of power. It is on 35 % of the time, off 65 % .What is the annual cost of electricity at a billing rate of $0.12 per kWhr? Express your answer using two significant...
1) A capacitor is charged to 8.0×10−4 C , then discharged by connecting a wire between the two plates. 20 μs after the discharge begins, the capacitor still holds 15% of its original charge. What was the average current during the first 20 μsof the discharge? 2) What is the resistance of a 1.0-m-long copper wire that is 0.40 mm in diameter? b) What is the resistance of a 20-cm-long piece of iron with a 1.5 mm × 1.5 mm...
7-11 please
7. Two parallel conducting plates are connected to a constant voltage source. The magnitude of the electric field between the plates is 2,000 N/C. If the voltage is halved and the distance between the plates is reduced to 1/4 the original distance, the magnitude of the new electric field is (A) 8000 N/C (B) 1,600 N/C (C) 2,400 N/C (D) 4,000 N/C (E) 10,000 N/C 8. A parallel-plate capacitor is charged by connection to a battery. If the...
You make a capacitor by cutting the 16.0-cmcm-diameter bottoms out of two aluminum pie plates, separating them by 3.30 mmmm , and connecting them across a 6.00 VV battery. Part A What’s the capacitance of your capacitor? Express your answer to three significant figures with the appropriate units. Part B If you disconnect the battery and separate the plates to a distance of 3.50 cmcm without discharging them, what will be the potential difference between them?