electric generator by Haya Elseery https://padlet.com/20190018921/wd4m7l47y007bujm read the question and answer from the options in the chat en-us 2024-04-24 15:42:41 UTC 2024-05-17 04:48:37 UTC hello@padlet.com What material is typically used to form the core of the armature in an electric generator? 20190018921 https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968316981

  • Aluminum

  • Copper

  • Iron

  • Gold

    • ]]>     2024-04-24 15:43:41 UTC https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968316981     Which component of an electric generator is responsible for generating electrical current? 20190018921 https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968320067

  • Field coils

  • Commutator

  • Brushes

  • Armature

    • ]]>     2024-04-24 15:45:52 UTC https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968320067     What phenomenon is responsible for inducing an electromotive force (EMF) in the armature loop? 20190018921 https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968321099

  • Electromagnetic repulsion

  • Electromagnetic induction

  • Electrostatic attraction

  • Magnetic permeability

    • ]]>     2024-04-24 15:46:34 UTC https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968321099     What drives the current (I) in the armature loop? 20190018921 https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968322797

  • Electromotive force (EMF)

  • Magnetic force

  • Frictional force

  • Gravity

    • ]]>     2024-04-24 15:47:47 UTC https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968322797     When the loop is aligned perpendicular to the magnetic field: 20190018921 https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968323793

  • Its velocity vector is perpendicular to the field lines.

  • Its velocity vector is parallel to the field lines.

  • Its velocity vector is at an angle to the field lines.

    • ]]>     2024-04-24 15:48:24 UTC https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968323793     What is the condition for inducing electromotive force (EMF) in a loop aligned perpendicular to a magnetic field? 20190018921 https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968324617

  • Long arms of the loop are crossing the field lines.

  • Short arms of the loop are crossing the field lines.

  • The loop is stationary.

    • ]]>     2024-04-24 15:49:05 UTC https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968324617     Which rule can be used to verify the reversal of current as the loop of the armature rotates past 90°? 20190018921 https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968325292

  • Left-hand rule for magnetic fields.

  • Right-hand rule for electromagnetic induction.

  • Newton's second law of motion.

    • ]]>     2024-04-24 15:49:34 UTC https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968325292     What happens to the direction of the magnetic field as the loop of the armature rotates past 90°? 20190018921 https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968326143

  • It reverses direction.

  • It becomes weaker

  • It remains unchanged.

    • ]]>     2024-04-24 15:50:11 UTC https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968326143     What type of current is produced in the external circuit as the loop of the armature rotates? 20190018921 https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968326983

  • Direct current (DC)

  • Alternating current (AC)

  • Pulsating current

    • ]]>     2024-04-24 15:50:53 UTC https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968326983     What happens to the direction of the electromotive force (EMF) and current as the loop of the armature rotates past 90°? 20190018921 https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968328865

  • They remain constant.

  • They reverse direction.

  • They increase in magnitude.

    • ]]>     2024-04-24 15:52:28 UTC https://padlet.com/20190018921/wd4m7l47y007bujm/wish/2968328865