Akash posted an Question
January 07, 2022 • 16:46 pm 30 points
  • CSIR NET
  • Physical Sciences

Q32. a horizontal metal disc rotates about the vertical axis in a uniform magnetic field pointing up as shown in the figure. a circuit is made by connecting one

Q32. A horizontal metal disc rotates about the vertical axis in a uniform magnetic field pointing up as shown in the figure. A circuit is made by connecting one end A of a resistor to the centre of the disc and the other end B to its edge through a sliding contact. The current that flows through the resistor is (a) zero (b) DC from A to B (c) DC from B to A (d) AC

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    Dhruv Verma

    A. Zero because centre has zero charge

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    Can you explain in a little more detail?

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