Q23 / 111 · NTA Abhyas (NEET) 2020 · Physics · Electromagnetic Induction

An electron moves along the line AB with constant velocity V which lies in the same plane as a circular loop of conducting wire, as shown in the figure. What will be the direction of current induced in the loop?

Figure

  • A
    no current will be induced
  • B
    induced current will be clockwise
  • C
    induced current will be anticlockwise
  • Correct answer
    D
    the current will change direction as the electron passes by

Solution

The current will change direction as the electron passes by

As electron approaches the loop flux linked with the loop first increases and then decrease as electron passes by. Therefore direction of induced current changes.

Hence, the correct answer is option: 'D'.

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