In a region of interstellar space, electrons are traveling in helical paths. The magnetic field increases by a factor of 2.   (a) The radius increases by a factor of 4, the electron energy increases by 4. (b) The radius stays the same and the electron energy increases by a factor of 2 (c) The radius decreases by a factor of 4 but the electron energy stays the same (d) The radius decreases by a factor of 2 but the electron energy stays the same (e) The radius increases by a factor of 2 but the electron energy stays the same

Q: A proton moves in a circular orbit 150 mm in radius that is perpendicular to a uniform 0.25…

A: Approach to solving the question: Lorentz force law. Detailed explanation:

Q: An electron moves in a circular path perpendicular to a constant magnetic field with a magnitude of…

A: Given values: Magnetic field,B=3.50 mT Angular momentum, L=3.00×10-25 Js Mass of electron,…

Q: In the figure, an electron accelerated from rest through potential difference V₁-1.19 kV enters the…

A: We will answer this question using expressions for force on a charged particle, due to electric and…

Q: Find a symbolic expression for the ratio of the angular frequency of an electron to the angular…

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Q: 3. Figure 3 shows a uniform magnetic field B confined to a cylindrical volume of radius R. The…

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Q: p and calculate the change in the electron's magnetic moment when a

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Q: The Hall effect can be used to determine the density of mobile electrons in a conductor. A thin…

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Q: Problem 9: A loop of wire with radius r= 0.199 m is in a magnetic field with magnitude B as shown in…

A: The loop of wire is placed perpendicular to the magnetic field. The radius of the loop is 0.199 m,…

Q: An electron with speed 1000 m/sec rotates in a magnetic field 0.5 T. The electron rotates in the…

A: 13.998*10^9. CCW.

Q: PROBLEM 1A: A rectangular strip of metal of height "h" [µm] and length "LO" [mm] is placed in a…

A: Given data: Length of the rectangular strip L0=4.23 mm. Height of the rectangular strip h=148.99…

Q: a) What is the direction of E field? b) What magnitude of magnetic field is needed so that the alpha…

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Q: Part (d) Express the magnitude of the magnetic force, FB, acting on the charge in terms of By, Vz…

A: Given: Charge, q=9.6×10-19 C Velocity, v→=vzk^=9500 k^ m/s Electric field, E→=Exi^=55 i^ V/m…

Q: A conducting bar of length L = 0.40 %3D m rotates in a counterclockwise direction with a constant…

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Q: In an experiment designed to measure the Earth's magnetic field using the Hall effect, a copper bar…

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Q: In the figure, an electron with an initial kinetic energy of 4.50 keV enters region 1 at time t = 0.…

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Q: The figure shows a metallic block, with its faces parallel to coordinate axes. The block is in a…

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Q: Problem 9: An electron beam is shot into a region where there is both an electric field pointing…

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Q: An electron starts from rest near the negative vertical plate of a set of parallel plates and…

A: When the electron is accelerated by a potential difference, it attains Kinetic energy which is given…

Q: Problem 2:   A negative charge of q = -3.2 × 10-17C and m = 2.8 × 10-26 kg enters a magnetic field B…

A: Given: The charge on the particle is -3.2x10-17 C. The mass of the particle is 2.8x10-28 kg. The…

Q: In the figure, an electron accelerated from rest through potential difference V1=1.38 kV enters the…

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Q: In the Bohr model of the hydrogen atom, in the lowest energy state the electron orbits the proton at…

A: The time period is given by  T =2 π rv The charge is given by  Q = I T  The magnetic moment is M = I…

Q: In the figure, an electron accelerated from rest through potential difference V₁-1.33 kV enters the…

A: Given data: The accelerated potential, V1=1.33 KV=1.33×103 V The potential difference, V2=175 V The…

Q: In the figure, an electron accelerated from rest through potential difference V₁-1.10 kV enters the…

A: Solution:Given:m = mass of electron = 9.11 x 10-31 kgq = charge on electron = 1.60 x 10-19 CV1 =…

Q: In an experiment designed to measure the Earth's magnetic field using the Hall effect, a copper bar…

A:

Q: In an experiment designed to measure the Earth's magnetic field using the Hall effect, a copper bar…

A:

Q: A 0.68 T magnetic field is applied to a paramagnetic gas whose atoms have an intrinsic magnetic…

A: Magnetic field B= 0.68 T  Magnetic dipole = 1.3×10^-24 j/k

Q: Problem 10: A magnetic needle with magnetic moment μ-0.065 Am2 is placed in a uniform magnetic field…

A: Part (a)The expression for the potential energy is,

Q: An electron is moving to the right when suddenly a magnetic field is switched on that points out of…

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Q: In the figure, an electron with an initial kinetic energy of 3.80 keV enters region 1 at time t = 0.…

A: 3.4×10−9sec

Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.