Please answer with full detail and descriptive explanation for better understanding please and thank you. :) Determine the direction of the electron flow in the ammeter in Diagram III that causesthe balance pan to return to its original position. Explain how you determined thedirection of electron flow. Description of the Operation of an Electronic ScaleDiagram I: No object on the scale panLight detectorBalance panLEDCoil.ControlunitCylindrical-magnetDiagram II: An object is placed on the scale panObject ofunknown-massLight reachesdetectorLEDControlunitDiagram III: Measurement of current to determine massLight blockedby shieldControlunitA shield blocks light from the LED, preventing it fromreaching the light detector. The control unit does notsupply current to the coil.The weight of the object moves the pan downward. Asa result, the shield moves down and light from the LEDreaches the light detector. The presence of light on thelight detector signals the control unit to supply currentto the coil.The current in the coil induces a magnetic field. Theinteraction of this field with that of the permanent magnetforces the pan upward. The control unit increases the currentuntil the shield is high enough to block the light from theLED. The control unit then determines the current requiredto keep the pan at this fixed height. The measurement of thiscurrent is used to determine the mass of the object.

Ask: Determine the direction of flow of electron in ammeter. Explanation of determination of…

Answered: Determine the direction of the electron…

Determine the direction of the electron flow in the ammeter in Diagram III that causes the balance pan to return to its original position. Explain how you determined the direction of electron flow.

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter8: Electromagnetism And Em Waves

Section: Chapter Questions

Problem 1MIO

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Question

100%

Please answer with full detail and descriptive explanation for better understanding please and thank you. :)

Determine the direction of the electron flow in the ammeter in Diagram III that causes
the balance pan to return to its original position. Explain how you determined the
direction of electron flow.

Description of the Operation of an Electronic Scale
Diagram I: No object on the scale pan
Light detector
Balance pan
LED
Coil.
Control
unit
Cylindrical-
magnet
Diagram II: An object is placed on the scale pan
Object of
unknown-
mass
Light reaches
detector
LED
Control
unit
Diagram III: Measurement of current to determine mass
Light blocked
by shield
Control
unit
A shield blocks light from the LED, preventing it from
reaching the light detector. The control unit does not
supply current to the coil.
The weight of the object moves the pan downward. As
a result, the shield moves down and light from the LED
reaches the light detector. The presence of light on the
light detector signals the control unit to supply current
to the coil.
The current in the coil induces a magnetic field. The
interaction of this field with that of the permanent magnet
forces the pan upward. The control unit increases the current
until the shield is high enough to block the light from the
LED. The control unit then determines the current required
to keep the pan at this fixed height. The measurement of this
current is used to determine the mass of the object.

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