A constant current transfers 10*10^14 electrons onto one plate of a capacitor in 3 minutes [min]. (a) What is the current, in units of amperes [A]? Express the answer using an appropriate SI prefix such that there are only 1, 2, or 3 digits shown to the left of the decimal. (b) If the capacitor has a capacitance of microfarads [F], what is the voltage in units of volts [V] across the capacitor?

A constant current transfers 10*10^14 electrons onto one plate of a capacitor in 3 minutes [min]. (a) What is the current, in units of amperes [A]? Express the answer using an appropriate SI prefix such that there are only 1, 2, or 3 digits shown to the left of the decimal. (b) If the capacitor has a capacitance of microfarads [F], what is the voltage in units of volts [V] across the capacitor?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 17P

See similar textbooks

Similar questions

With a potential difference of 4V across a wire of length 5m and cross section area 1x10-6 m2 there is found to be a current of 12A flowing in the wire. What is the conductivity of the wire? Select one: a. 1.5×107 Siemens b. 9.6×106 Siemens c. 6×10-7 Siemens d. 1.66×107 Siemens
The voltage across a membrane forming a cell wall is 84 mV and the membrane is 7.5 nm thick. What is the electric field strength in the cell wall, in volts per meter?
How many seconds will it take for 9.5 x 10¹² electrons (1.6 x 10^-19 C), take to pass through a conductor with a current of 120 ηA?
What is the value of the unknown R if the voltage across the 500 resistances is 4.00 V?
Suppose you have a rod of pure silicon with a diameter of 2.79cm and a length of 20.6cm. These rods are often used in experiments, such as the Large Hadron Collider in France/Switzerland to detect high-energy particles, and they have a very high resistivity of 2300Ω⋅m. What current, in amperes, flows through the rod when a potential difference of 1.23* 10^3 V is applied between its ends ?
In a 2 ns interval, 10^8 electrons are discharged from a capacitor. What is the average current flow, in mA, due to this discharge?
A 320-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1,090 A. If the conductor is copper with a free charge density of 8.5 1028electrons per cubic meter, how many years does it take one electron to travel the full length of the cable? (Use 3.156 107 for the number of seconds in a year.)
The vector current density of a 3-meter-long and 3mm diameter conductor is given as 155630 A/m2. Determine the current on the conductor, its free electron density, the drift velocity of the charges and the number of electrons passing through the conductor for 3 seconds.
The density and resistivity of a cubic metal of mass m=81 g are d=3 g/cm3 and ρ=1.5 x 10-8 Ω m, respectively. When a potential difference of ∆V=5x10-5 V is applied on two opposite faces of the cube, what is the current (A) passing through the surfaces ?
A high voltage transmission line of diameter 3.73 cm and length 3.76189 km carries a steady current of 1.9 x103 A. If the conductor is copper with a free charge density of 6 x 1028 electrons/m3, how long (in seconds ) does it take one electron to travel the full length of the cable? (e = 1.6 x 10−19 C).For this problem use scientific/exponential notation to represent your answer. Eg., -0.0001 can be written as 1.0e-4 or as 1.0E-4. Spaces are not allowed.
If the density and atomic mass of copper are respectively 8.80 103 kg/m3 and 63.5 kg/kmol (note that 1 kmol = 1,000 mol), and copper has one free electron per copper atom, determine the following. (a) the drift speed of the electrons in a 10 gauge copper wire (2.588 mm in diameter) carrying a 30.5 A current m/s(b) the Hall voltage if a 1.18 T field is applied perpendicular to the wire V
A 300-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1,240 A. If the conductor is copper with a free charge density of 8.5 1028 electrons per cubic meter, how many years does it take one electron to travel the full length of the cable? (Use 3.156 107 for the number of seconds in a year.) ?yr