EP PHYSICS F/SCI.+ENGR.W/MOD..-MOD MAST
4th Edition
ISBN: 9780133899634
Author: GIANCOLI
Publisher: PEARSON CO
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 27, Problem 45P
(II) An oil drop whose mass is determined to be 3.3 × 10–15 kg is held at rest between two large plates separated by 1.0 cm as in Fig. 27–31. If the potential difference between the plates is 340 V, how many excess electrons does this drop have?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
(II) (a) What is the electric potential 2.5 x 10-15 maway from a proton(charge +e) (b) What is the electric potential energy of a system that consists of two protons 2.5 x10-15 m apart—as might occur inside a typical nucleus?
(III) Electrons are accelerated by 6.0 kV in a CRT. The screen is 30 cm wide and is 34 cm from the 2.6-cm-long deflection plates. Over what range must the horizontally deflecting electric field vary to sweep the beam fully across the screen?
(II) A person scuffing her feet on a wool rug on a dry dayaccumulates a net charge of -28 µC How many excesselectrons does she get, and by how much does her massincrease?
Chapter 27 Solutions
EP PHYSICS F/SCI.+ENGR.W/MOD..-MOD MAST
Ch. 27.1 - Prob. 1AECh. 27.2 - Prob. 1BECh. 27.3 - A wire carrying current I is perpendicular to a...Ch. 27.3 - A straight power line carries 30A and is...Ch. 27.4 - Prob. 1EECh. 27.4 - What is the sign of the charge in Fig. 2719? How...Ch. 27.4 - A particle in a velocity selector as diagrammed in...Ch. 27 - A compass needle is not always balanced parallel...Ch. 27 - Prob. 2QCh. 27 - A horseshoe magnet is held vertically with the...
Ch. 27 - In the relation F=IlB, which pairs of the vectors...Ch. 27 - The magnetic field due to current in wires in your...Ch. 27 - If a negatively charged particle enters a region...Ch. 27 - In Fig. 2734, charged particles move in the...Ch. 27 - A positively charged particle in a nonuniform...Ch. 27 - Note that the pattern of magnetic field lines...Ch. 27 - Explain why a strong magnet held near a CRT...Ch. 27 - Describe the trajectory of a negatively charged...Ch. 27 - Can you set a resting electron into motion with a...Ch. 27 - A charged particle is moving in a circle under the...Ch. 27 - The force on a particle in a magnetic field is the...Ch. 27 - A beam of electrons is directed toward a...Ch. 27 - A charged particle moves in a straight line...Ch. 27 - If a moving charged particle is deflected sideways...Ch. 27 - How could you tell whether moving electrons in a...Ch. 27 - How can you make a compass without using iron or...Ch. 27 - Prob. 20QCh. 27 - In what positions (if any) will a current loop...Ch. 27 - A rectangular piece of semiconductor is inserted...Ch. 27 - Two ions have the same mass, but one is singly...Ch. 27 - (I) (a) What is the force per meter of length on a...Ch. 27 - (I) Calculate the magnitude of the magnetic force...Ch. 27 - (I) A 1.6-m length of wire carrying 4.5 A of...Ch. 27 - (II) The magnetic force per meter on a wire is...Ch. 27 - (II) The force on a wire is a maximum of 7.50 102...Ch. 27 - (II) Suppose a straight 1.00-mm-diameter copper...Ch. 27 - Prob. 7PCh. 27 - (II) A long wire stretches along the x axis and...Ch. 27 - (II) A current-carrying circular loop of wire...Ch. 27 - (II) A 2.0-m-long wire carries a current of 8.2 A...Ch. 27 - Prob. 11PCh. 27 - (III) A circular loop of wire, of radius r,...Ch. 27 - (I) Determine the magnitude and direction of the...Ch. 27 - (I) An electron is projected vertically upward...Ch. 27 - (I) Alpha particles of charge q = +2e and mass m =...Ch. 27 - (I) Kind the direction of the force on a negative...Ch. 27 - (I) Determine the direction of B for each ease in...Ch. 27 - Prob. 18PCh. 27 - (II) A doubly charged helium atom whose mass is...Ch. 27 - (II) A proton (mass mp), a deuteron (m = 2mp, Q =...Ch. 27 - (II) For a particle of mass m and charge q moving...Ch. 27 - (II) An electron moves with velocity...Ch. 27 - (II) A 6.0-MeV (kinetic energy) proton enters a...Ch. 27 - (II) An electron experiences the greatest force as...Ch. 27 - (II) A proton moves through a region of space...Ch. 27 - (II) An electron experiences a force...Ch. 27 - (II) A particle of charge q moves in a circular...Ch. 27 - (II) An electron enters a uniform magnetic field B...Ch. 27 - Prob. 29PCh. 27 - (II) The path of protons emerging from an...Ch. 27 - (III) Suppose the Earths magnetic field at the...Ch. 27 - Prob. 32PCh. 27 - (III) A proton moving with speed = 1.3 105 m/s...Ch. 27 - (III) A particle with charge +q and mass m travels...Ch. 27 - (I) How much work is required to rotate the...Ch. 27 - (I) A 13.0-cm-diameter circular loop of wire is...Ch. 27 - (II) A circular coil 18.0 cm in diameter and...Ch. 27 - (II) Show that the magnetic dipole moment of an...Ch. 27 - (II) A 15-loop circular coil 22 cm in diameter...Ch. 27 - (III) Suppose a nonconducting rod of length d...Ch. 27 - (I) If the current to a motor drops by 12%, by...Ch. 27 - (I) A galvanometer needle deflects full scale for...Ch. 27 - (I) If the restoring spring of a galvanometer...Ch. 27 - Prob. 44PCh. 27 - (II) An oil drop whose mass is determined to be...Ch. 27 - (II) A Hall probe, consisting of a rectangular...Ch. 27 - (II) A Hall probe used to measure magnetic field...Ch. 27 - (II) A rectangular sample of a metal is 3.0 cm...Ch. 27 - (II) In a probe that uses the Hall effect to...Ch. 27 - Prob. 50PCh. 27 - Prob. 51PCh. 27 - (II) One form of mass spectrometer accelerates...Ch. 27 - (II) Suppose the electric field between the...Ch. 27 - (II) A mass spectrometer is being used to monitor...Ch. 27 - (II) An unknown particle moves in a straight line...Ch. 27 - Protons move in a circle of radius 5.10 cm in a...Ch. 27 - Protons with momentum 3.8 1016 kg m/s are...Ch. 27 - A proton and an electron have the same kinetic...Ch. 27 - Prob. 59GPCh. 27 - Prob. 60GPCh. 27 - Near the equator, the Earths magnetic field points...Ch. 27 - Calculate the magnetic force on an airplane which...Ch. 27 - A motor run by a 9.0-V battery has a 20 turn...Ch. 27 - Estimate the approximate maximum deflection of the...Ch. 27 - Prob. 65GPCh. 27 - The cyclotron (Fig. 2750) is a device used to...Ch. 27 - Magnetic fields are very useful in particle...Ch. 27 - A square loop of aluminum wire is 20.0 cm on a...Ch. 27 - A sort of projectile launcher is shown in Fig....Ch. 27 - Prob. 70GPCh. 27 - In a certain cathode ray tube, electrons are...Ch. 27 - Prob. 72GPCh. 27 - A proton follows a spiral path through a gas in a...Ch. 27 - Prob. 74GPCh. 27 - The power cable for an electric trolley (Fig....Ch. 27 - A uniform conducting rod of length d and mass m...Ch. 27 - In a simple device for measuring the magnitude B...
Additional Science Textbook Solutions
Find more solutions based on key concepts
105 Hz emits sound waves and detects the same waves after they are reflected from a baseball thrown by the pitc...
College Physics
The mass of the canoe.
College Physics: A Strategic Approach (3rd Edition)
Soccer fields vary in size. A large soccer field is 115 long and 85 m wide. What are its dimension in feet and ...
College Physics
Write each number in scientific notation.
14. 1,400,000
Applied Physics (11th Edition)
Standing on the ground 3.0 m from a building, you want to throw a package from your 1.5-m shoulder level to som...
Essential University Physics: Volume 1 (3rd Edition)
3. A football coach sits on a sled while two of his players build their strength by dragging the sled across ...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
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
- For problem 49 of the text, calculate the initial speed of the third electron in m/s using a separation of the other two electrons of 0.66 m. Answer in 5 sig figs!!!arrow_forwardIn the simple Bohr model of the ground state of the hydrogen atom, the electron travels in a circular orbit around a fixed proton. The radius of the orbit is 5.281011m , and the speed of the electron is 2.18106m/s . The mass of an electron is 9.111031kg . What is the force on the electron?arrow_forwardHow much work is required to set up the four-charge configuration of the figure if q = 4.40 pC, a = 76.4 cm, and the particles are initially infinitely far apart and at rest?arrow_forward
- Two large parallel plates are placed horizontally with respect to each other and are then connected to a 200V battery. If the distance beteeen the plates is 2cm, the uniform electric field between the plates is 10^4N/C in the upward direction. If the electron is released from rest at the upper plate, calculate: a) the kinetic energy of the electron after traveling 2cm to the lower plate. b) the time required for the electron to travel this distance.arrow_forwardHow many excess electrons must be placed on each of two small spheres spaced 3cm apart if the speheres are to have equal charge and if the force of repulsion between them is to be 10^-19N?arrow_forward(b) The magnitude of the electrostatic force between the proton and electron in a hydrogen atom is Fg. The magnitude of the gravitational force between them is Fg. FE Determine the ratio . FGarrow_forward
- (c) An electron moves a distance of 20 cm. The start location is at a potential that is 120 V lowerthan the potential at the ending location. Find the change in the electron’s potential energy inunits of eV first and then convert the answer to units of Joules.(d) When is it easier to calculate the energy in eV and then convert to Joules if necessary? Whenis it easier to calculate the energy in Joules first and then convert to eV if necessary?(e) For E level work: If the electric potential energy of an electron moving to a higher potentialis converted to light (a photon is emitted,) then the wavelength of the light is related to thechange in the electron’s energy U by the following relationship:λ = (1240 nm · eV )/U,where the energy is measured in eV. Use this relationship find the wavelength (in nm) of thelight emitted by the electron crossing a 1.5 V potential difference. In what part of the spectrum(radio, IR, visible, - and if so, what color UV, x ray, etc) is that? (you probably…arrow_forwardWhat is the mechanical potential energy of an electron at the center of a gold nucleus 197 79Au given that the nucleus is a uniformly charged sphere of radius R = 1.2 A^(1/3) fm.arrow_forwardWhen an electron is accelerated from rest to potential V, the final velocity of electron is eV eV (a) 2m (b) 4eV 2eV (c) \ (d)* m marrow_forward
- A 5.0 x 10 15 m. FIND THE EPE BERYLLIUM NUCLEUS CONTAINS FOUR PROTONS SE PARATED BY STORE D IN THIS NUCLEUS. THE CAPACITANCE OF A PARALLEL PLATE CAPACITOR 1S 15 uF. A DIFFERENCE OF POTENTIAL a) FIND THE b) FIND THE (5 %3D S 12.0 VOLTS IS PLACED ACROSS ITS PLATES . CHARGE ON E ACH PLATE ELE CTRIC FIELD BETWEEN THE PLATES IF THE SEPARATION PLATE Is 1.5 mm .arrow_forward(b) What is the electric potential energy of two electrons separated by 4.00 nm? If the separation increases, does the potential energy increase or decrease? (2)arrow_forwardA positively charged oil droplet remains in the electric field between two horizontal plates, separated by a distance 1 cm. If the charge on the drop is 3.2 x 10-19 C and the mass of the droplet is 10-14 kg what is the potential difference between the plates? Now if the polarity of the plates is reversed what is the instantaneous acceleration of the droplet?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- University Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice UniversityPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Electric Fields: Crash Course Physics #26; Author: CrashCourse;https://www.youtube.com/watch?v=mdulzEfQXDE;License: Standard YouTube License, CC-BY