a mettallic rod of lenght l is rotated with speeed v in uniform magnetic field. find induced current if r is resistance.

  1. 👍 0
  2. 👎 0
  3. 👁 171
  1. v is not a rotation (angular) speed; it is a linear speed. There is zero current unless there is a closed circuit. All you mention is a rod

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    A thin copper rod 1m long has a mass of 50g. What should be the direction of magnetic field and the maximum current in the rod that would allow it to levitate above the ground in a magnetic field of 0.1T.

    asked by Raven on April 22, 2018
  2. physics

    A 0.2 kg conductor of length 0.8 m carries 2 ampere current to the right in a magnetic field. What is the magnitude and the direction of the magnetic field acting on the conductor if the net force on the rod is zero? (Assume that

    asked by unknown on June 12, 2011
  3. physics- answers check

    5. A magnetic field map shows a. the direction of the magnetic field. b. a few representational field lines. c. relative strength of the magnetic field. d. All of these choices are correct. my answer: d 6. Magnetic field lines a.

    asked by Liz on May 10, 2014
  4. College physIcs

    An electron travels at a speed of 4.0×104 m/s through a uniform magnetic field whose magnitude is 1.4×10−3 T. What is the magnitude of the magnetic force on the electron if its velocity and the magnetic field are

    asked by Lanise on February 19, 2010
  1. Physics

    A long, straight wire carrying a current of 317 A is placed in a uniform magnetic field that has a magnitude of 7.69 × 10-3 T. The wire is perpendicular to the field. Find a point in space where the net magnetic field is zero.

    asked by Anonymous on February 25, 2013
  2. Physics

    The figure below shows a circular conducting loop with a 4.70-cm radius and a total resistance of 1.10 Ω placed within a uniform magnetic field pointing into the page. (a) What is the rate at which the magnetic field is changing

    asked by AAA on April 8, 2020
  3. College Physics Homework. Please help!

    A metal bar with a length of 0.30 m and mass of 0.5 kg is free to slide (no friction) on a set of vertical rails. The rails and bar together have a resistance of 500 ohms. The rails lie in a horizontal magnetic field with a

    asked by Rich on May 7, 2012
  4. Physics

    A circular conducting coil with radius 3.40 cm is placed in a uniform magnetic field of 1.090 T with the plane of the coil perpendicular to the magnetic field. The coil is rotated 180° about the axis in 0.222 s. (a) What is the

    asked by Alyssa on February 17, 2013
  1. Physics

    Two point charges +Q and -Q of mass m are placed on the ends of a massless rod of length L, which is fixed to a table by a pin through its center. If the apparatus is then subjected to a uniform electric field E parallel to the

    asked by Haha on July 25, 2018
  2. Physics

    A uniform rod of weight 5N and lenght 1m is pivoted at a point of 20 cm from one of its ends. A weight is hung from the other end so that te rod balances horizontally. What is the value of the weight? How do I find it if I don't

    asked by Kiwiwi on February 8, 2015
  3. Physics, emf, magnetic flux

    A circular loop of wire with radius 0.100 m and resistance R = 5.00 Ω. The loop is placed in a magnetic field of strength B = 0.125 T, which can be rotated. The angle of the magnetic field with respect to the normal of the loop

    asked by Anon on January 24, 2018
  4. Physics

    A circular loop of wire with radius 0.0450 m and resistance 0.154 R is in a region of spatially uniform magnetic. The magnetic field is directed out of the plane. The magnetic field has an initial value of 7.89 T and is decreasing

    asked by Kyle on February 29, 2012

You can view more similar questions or ask a new question.