Q3/ The electric field between two parallel plates connected to 12 V battery is 150 V/m. (1) How far apart are the two plates? (2) How many electrons are there on the plates? (3) The electric field when the distance between the two plates is halved?

Q3/ The electric field between two parallel plates connected to 12 V battery is 150 V/m. (1) How far apart are the two plates? (2) How many electrons are there on the plates? (3) The electric field when the distance between the two plates is halved?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter7: Electric Potential

Section: Chapter Questions

Problem 37P: The electric field strength between two parallel conducting plates separated by 4.00 cm is 7.50104...

See similar textbooks

Related questions

Q: Adjacent figure depicts the electric field lines in a region of space. Then, we can conclude that…

A: Dear student In the direction of electric field the electric potential decreases. Also the work done…

Q: Two charged parallel metal plates are separated by a distanced and a potential difference of VAB…

A: (a) The potential of the left plates (VA) is negative potential and that of right plate (VB ) is…

Q: Q2. An electron with kinetic energy of 2x101 J is moving to the right along the axis of a…

A: Given data : Kinetic energy of an e-, magnitude of E.F., Length of deflection assembly, Length of…

Q: A doubly-ionized carbon atom (with charge +2e) is located at the origin of the x-axis, and an…

A: As given, The charge, q1=+2e The charge, q2=-e Distance between two charge, x=8.76 cm=0.0876 m

Q: 3. The plates of a parallel plate capacitor are separated at 2.0 mm apart. What is the capacitance…

Q: The electron gun in an old TV picture tube accelerates electrons between two parallel plates 1.2 cm…

A: Distance between parallel plates (d) = 1.2 cm = 0.012 m Potential difference (V) = 26 kV

Q: 2. What is the value of the electric energy density if the electric field on that region is equal to…

Q: Q1/ A parallel plate capacitor having a plate area of ( 20 cm') and plate separation of ( 2 mm ) and…

A: When the battery ips removed so the charge on the plates remain same C=QV

Q: 2. A parallel plate capacitor is a square with sides 10 cm and a separation distance of 1 mm. a.…

A: Parallel plate capacitor

Q: The answer is -0.012 J. Why it is negative value?

Q: The electric field strength is 40,000 V/m inside a parallel‐plate capacitor with a spacing of 1.0…

Q: 3) Between the parallel plates, a load of m = 6.4x10-¹⁴ g remained stationary under 20 V voltage as…

A: Electric force is given as F=qE=qVr…

Q: Q2. An electron with kinetic energy of 2x101® J is moving to the right along the axis of a…

Q: Cathode ray tubes (CRTs) used in old-style televisions have been replaced by modern LCD and LED…

Q: 1. Two electrons are 10^5 m apart. One electron is fixed on its position. The other, originally at…

Q: Cathode ray tubes (CRTs) used in old-style televisions have been replaced by modern LCD and LED…

A: The expression for magnitude of electric field in the region between the plates is E=Vd

Q: An ionized oxygen molecule (o;) at point A has charge +e and moves at 2.00 x 10 m/s in the positive…

A: According to the work done by the electric force will be the change in kinetic energy of the ionized…

Q: 35. In a parallel plate capacitor with air between the plates, each plate has an area of 6 x 10-3 m²…

A: Given data :- Area of plates A = 6 × 10-3 m2Distance between the plates d = 3 mm = 3 × 10-3…

Q: The electric field strength is 1.70×104 N/C inside a parallel-plate capacitor with a 1.50 mm…

A: The expression for the electrostatic force acting on the charge particle is:

Q: Explain what is meant by (a.) the potential, and (b.) the electric field strength at a point in an…

A: Potential: potential at a point in an electric field is defined as mount of work done to bring a…

Q: A 40 µC charge is accelerated FROM REST by an electric potential of 50 kilo - Volts. If the mass of…

Q: A parallel plate capacitor with a vacuum in the gap between the plates is connected to a…

Q: 3. A small object has an excess of 5.00 x 10° electrons. Calculate the magnitude of the electric…

Q: RIC SERIES I. Use the GIVEN triboelectric series in answering the questions. 1. When you pull a…

A: 1- skin, cotton, positive, negative From the series, we can see the skin is more positive than…

Q: [Numbers change] The Cassini Orbiter spacecraft collected immense amounts of data about other…

Q: Q2 An electric field in a region of space is parallel to the x axis. The electric potential varies…

A: The mathematical equation for calculating the electric field is : E=-∆V∆x Here, E is the electric…

Q: Q4/ Two electric charges Q= - 750 mC and Q:= 0.5 C at 70 cm apart. Calculate ; 1- The Electric force…

Q: 4. Your friend gets really excited by the idea of making a lightning rod or maybe just a sparking…

A: Given The electric field at the larger conducting sphere is E1=150 V/m. The radius of the large…

Q: A pair of parallel plates has a potential difference of 2000 V across it. The plates are separated…

A: Given that: A Pairs of Parallel Plates has a potential Difference (V) = 2000V…

Q: Membrane walls of living cells have surprisingly large electric fields across them due to separation…

Q: Two charged parallel metal plates are separated by a distance d and a potential differen ce of VAB…

A: Given that:

Q: What is the capacitance of a pair of circular plates with a radius of 5cm separated by 3.2 mm of…

A: Given that:- Radius=5cm=0.05m Distance between two plate=3.2mm Dielectric constant (k) of mica is…

Q: Q2/a/ Two parallel plates AB are insulated by vacuum with a distance of 5 cm between them. An…

Q: 15. An electron is released with a speed of 5.0 X 10° m/s is injected into a parallel plate…

Q: Cathode ray tubes (CRTs) used in old-style televisions have been replaced by modern LCD and LED…

A: Given:- The CRT included a set of accelerating plates separated by a distance of about 1.54 cm.…

Q: 5) You are sitting between two conducting spheres of 15cm radius. One sphere is 11 meters North of…

A: Given that Radius of first sphere R1 = 15 cm = 0.15 m Distance d1 = 11 m Charge on first sphere…

Q: The Electric Field Mapping Experiment: An electric field is created by two parallel plates. Which of…

A: The electric field produced between the two charged plates, originates from the positive plate and…

Q: Two charged parallel metal plates are separated by a distance d and a potential difference of VAB…

Q: Cathode ray tubes (CRTs) used in old-style televisions have been replaced by modern LCD and LED…

A: Given data *The accelerating plates separated by a distance is d = 1.36 cm = 1.36 × 10-2 m *The…

Q: Q3: Electrons accelerated from rest through 400 V are introduced at A into a uniform electric field…

A: Given:- The electrons accelerated from rest through 400V are introduced at A into a uniform electric…

Q: Cathode ray tubes (CRTs) used in old-style televisions have been replaced by modern LCD and LED…

A: The magnitude of electric field in the region between the plates is

Q: Suppose an electron in the picture tube of a television set is accelerated from rest through a…

A: As given in figure Potential difference Vb-Va = 5000 Volt Charge of electron e = 1.6×10-19 Coulomb…

Q: A 40 µC charge is accelerated FROM REST by an electric potential of 50 kilo Volts. If the mass of…

A: Given: Charge, q=40 μC Electric potential, V=50 kV Mass, m=20 g=0.02 kg 1. Speed of charge due to…

Q: Oppositely charged parallel plates are separated by 4.43 mm. A potential difference of 600 V exists…

A: Given information: Here, d is the gap between the two plates and ΔV is the potential difference…

Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

Q3/ The electric field between two parallel plates connected to 12 V battery
is 150 V/m.
(1) How far apart are the two plates?
(2) How many electrons are there on the plates?
(3) The electric field when the distance between the two plates is halved?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

The electric field strength between two parallel conducting plates separated by 4.00 cm is 7.50104 V/m. (a) What is the potential difference between the plates? (b) The plate with the lowest potential is taken to be zero volts. What is the potential 1.00 cm from that plate and 3.00 cm from the other?
A research Vail de Graaff generator has a 2.00-m- diameter metal sphere with a charge of 5.00 mC on it. (a) What is the potential near its surface? (b) At what distance from its center is the potential 1.00 MV? (c) An oxygen atom with three missing electrons is released near the Van de Graaff generator. What is its energy in MeV when the atom is at the distance found in part b?
Your friend gets really excited by the idea of making a lightning rod or maybe just a sparking toy by connecting two spheres as shown in Figure 7.39, and making R2so small that the electric field is greater than the dielectric strength of air, just from the usual 150 V/m electric field near the surface of the Earth. If R1is 10 cm. how small does R2to be, and does this seem practical? (Hint: recall the calculation for electric field at the surface of a conductor from Gauss's Law.)
A simple and common technique for accelerating electrons is shown in Figure 7.46, where there is a uniform electric field between two plates. Electrons are released, usually from a hot filament, near the negative plate, and there is a small hole in the positive plate that allows the electrons to continue moving, (a) Calculate the acceleration of the electron if the field strength is 2.50104 N/C . (b) Explain why the electron will not be pulled back to the positive plate once it moves through the hole. Figure 7.46 Parallel conducting plates with opposite charges on them create a relatively uniform electric field used to accelerate electrons to the right. Those that go through the hole can be used to make a TV or computer screen glow or to produce X- rays.
A research Van de Graaff generator has a 2.00-rn- diameter metal sphere with a charge of 5.00 mC on it. (a) What is the potential near its surface? (b) At what distance from its center is the potential 1.00 MV? (C) An oxygen atom with three missing electrons is released near the Van de Graatf generator. What is its energy in MeV at this distance?
A spherical balloon contains a positively charged object at its center. (i) As the balloon is inflated to a greater volume while the charged object remains at the center, does the electric potential at the surface of the balloon (a) increase, (b) decrease, or (c) remain the same? (ii) Does the electric flux through the surface of the balloon (a) increase, (b) decrease, or (c) remain the same?
In different experimental trials, an electron, a proton, or a doubly charged oxygen atom (O--), is fired within a vacuum tube. The particle's trajectory carries it through a point where the electric potential is 40.0 V and then through a point at a different potential. Rank each of the following cases according to the change in kinetic energy of the particle over this part of its flight from the largest increase to the largest decrease in kinetic energy. In your ranking, display any cases of equality, (a) An electron moves from 40.0 V to 60.0 V. (b) An electron moves front 40.0 V to 20.0 V. (c) A proton moves from 40.0 V to 20.0 V'. (d) A proton moves from 40.0 V to 10.0 V. (e) An O-- ion mines from 40.0 V to 60.0 V.
When a potential difference of 150. V is applied to the plates of an air-filled parallel-plate capacitor, the plates carry a surface charge density of 3.00 1010 C/cm2. What is the spacing between the plates?
(a) What is the potential between two points situated 10 cm and 20 cm from a 3.0 C point charge? (b) To what location should the point at 20 cm be moved to increase this potential difference by a factor of two?
From Gauss's law, the electric field set up by a uniform line of charge is E=(20r)r where r is a unit vector pointing radially away from the line and is the linear charge density along the line. Derive an expression for the potential difference between r = r1, and r = r2.
What is the potential 0.530 x 10-10 m from a proton (the average distance between the proton and electron in a hydrogen atom)?
An ionized oxygen molecule (O+2) at point A has charge +e and moves at 2.00 103 m/s in the positive x-direction. A constant electric force in the negative x-direction slows the molecule to a stop at point B, a distance of 0.750 mm past A on the x-axis. Calculate (a) the x-component of the electric field and (b) the potential difference between points A and B.