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Alerts

Movement Alerts

Magnet Focus Alert

  • "Magnet at [location] of the Play Area. Use the W A S D keys to move magnet. Use number keys 1, 2, 3 to jump magnet."

Movement Alert

  • "[step direction]"

Movement Alert: direction or step size change

  • "A [step size] step [step direction]."

Jump start alert: on release of 1, 2, or 3 key press

  • "Jumping magnet [jump speed] to [jump direction] side of play area. Press Space to stop jump."

Jump stop alert: Space bar is pressed, bumped into a coil or reached edge of play area

  • "Jumping stopped."

Jumping in progress

  • "Jumping to [jump direction]."
  • (info) Alert Frequency: This is a lower priority alert. If one of the other alerts / events has occurred it is not be necessary to give this movement alert.

Coil bump alert

  • "Bumped into [number coils] coil."

Location Alerts

Location change alert: magnet transitions from one location region into another

  • "At [location] of play area."

Coil proximity change alert: magnet transitions from one coil proximity region into another

  • Single coil: "[coil proximity] 4-loop coil."
  • Both coils: "[coil proximity] 4-loop coil. [coil proximity] 2-loop coil."
  • (info) Alert Frequency: This alert is omitted if the user's action will trigger an Entering or Exiting Coil alert.

Entering / Exiting Coil Alert

  • "['Entering' / 'Exiting'] [number coils] coil."

Coil proximity change event with magnetic field enabled

  • Single coil: "[coil proximity] 4-loop coil and [field strength] magnetic field passing through."
  • Both coils: "[coil proximity] 4-loop coil and [field strength] magnetic field passing through. [coil proximity] 2-loop coil and [field strength] magnetic field passing through."

Sim Controls Alerts

Volt meter: adding / removing

  • "['Connecting' / 'removing'] volt meter to circuit"

Magnetic field: show / hide

  • "Showing magnetic field lines. [field strength] magnetic field passing through 4 loop coil. [field strength] magnetic field passing through 2 loop coil. (only if 2-loop coil is enabled)"
  • "Hiding magnetic field lines.

2 loop coil: show / hide

  • "['Adding' / 'Removing'] 2 loop coil [to / from] circuit."

Rotate magnet

  • "Flipping magnet: North pole is now on ['left' / 'right']. South pole now on ['right' / 'left']."

Rotate magnet: with visible field lines

  • "Flipping magnet and its magnetic field: North pole is now on ['left' / 'right']. South pole now on ['right' / 'left']."
  • Remark: This is the same description as a regular "Rotate Magnet" alert text with the addition of "and its magnetic field".


Alert Descriptor Values

coil proximity:

  • Far from
  • Close to
  • Very close to
  • In

field strength:

  • Very strong
  • Strong
  • Weak
  • Very weak
  • Minimal

jump direction:

  • left
  • right

jump speed:

  • slowly (1 key pressed)
  • normally (2 key pressed)
  • quickly (3 key pressed)

location:

  • top-left
  • top-center
  • top-right
  • middle-left
  • middle-right
  • center
  • bottom-left
  • bottom-center
  • bottom-right
  • +edge if at edge

number coils:

  • 2 loop
  • 4 loop

step direction:

  • left
  • right
  • up
  • down

step size:

  • regular (default)
  • large (if CTRL modifier pressed)
  • small (if Shift modifier pressed)


Faraday's Law (h1)

Scene Summary (h2)

  • Simulation Play Area contains a circuit and a magnet.
  • Currently, the a circuit consists of a lightbulb, a volt meter, [ 2 loop coil ], and a 4 loop coil. These parts are connected together with wires to form the circuit.
  • (If single coil)
    • The 4 coil is open on the left and right, allowing the magnet to pass through.
    • The magnet is at the [location] of the Play Area, [proximity] to the 4 loop coil.
  • (If both coils)
    • The 4 and 2 loop coils are open on the left and right, allowing the magnet to pass through.
    • The magnet is at the [location] of the Play Area, [proximity] to the 4 loop coil, and [proximity] to the 2 loop coil.
  • (If field lines visible)
    • [field strength] magnetic field is passing through the 4 loop coil.
    • [field strength] magnetic field is passing through the 2 loop coil.
  • Move the magnet to play.

Play Area (h2)

Circuit (h3)

The circuit consists of a lightbulb, a volt meter, 2 loop coil, and a 4 loop coil. All of these parts are connected together with some wires to form the circuit. The 4 and 2 loop coils are open on the left and right, allowing the magnet to pass through.

[field strength] magnetic field is passing through the 4 loop coil. [field strength] magnetic field is passing through the 2 loop coil. (if field lines visible)

  • Checkbox: Connect volt meter to circuit
  • Checkbox: Show magnetic field
  • Checkbox: Add 2 loop coil to circuit

Magnet

The magnet is at the [ location ] of the Play Area. Use the W A S D keys to move the magnet.

(if single coil) The magnet is [ proximity ] to the 4-loop coil.

(if both coils) The magnet is [ proximity ] to the 4-loop coil, and is [ proximity ] to the 2-loop coil.

(if field lines hidden)  The magnet has two magnetic poles: North on the [left / right], South on the [right / left].

(if field lines visible) The magnetic field is going from North pole on [left / right] end, to South pole on [right / left] end of magnet.

  • Button: flip magnetic poles
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