Force and current_aplc
Оценка 4.8

Force and current_aplc

Оценка 4.8
ppt
07.05.2020
Force and current_aplc
Force and current_aplc.ppt

Collections of Charges: Current

Collections of Charges: Current

1

Collections of Charges: Current Carrying Wires

2 Demonstration: Jumping Wire

2 Demonstration: Jumping Wire

2

Demonstration: Jumping Wire

Magnetic Force on Current-Carrying

Magnetic Force on Current-Carrying

3

Magnetic Force on Current-Carrying Wire

Current is moving charges, and we know that moving charges feel a force in a magnetic field

Magnetic Force on Current-Carrying

Magnetic Force on Current-Carrying

4

Magnetic Force on Current-Carrying Wire

PRS Question: Parallel Current

PRS Question: Parallel Current

5

PRS Question: Parallel Current Carrying Wires

PRS: Parallel Wires Consider two parallel current carrying wires

PRS: Parallel Wires Consider two parallel current carrying wires

6

PRS: Parallel Wires

Consider two parallel current carrying wires. With the currents running in the same direction, the wires are

attracted (likes attract?)
repelled (likes repel?)
pushed another direction
not pushed – no net force
I don’t know

PRS Answer: Parallel Wires I1 creates a field into the page at

PRS Answer: Parallel Wires I1 creates a field into the page at

7

PRS Answer: Parallel Wires

I1 creates a field into the page at I2. That makes a force on I2 to the left.

I2 creates a field out of the page at I1. That makes a force on I1 to the right.

Answer: 1. The wires are attracted

Demonstration: Parallel & Anti-Parallel

Demonstration: Parallel & Anti-Parallel

8

Demonstration: Parallel & Anti-Parallel Currents

9 Summary Magnetic Force

9 Summary Magnetic Force

9

Summary Magnetic Force

Can we understand why? Whether they attract or repel can be seen in the shape of the created

Can we understand why? Whether they attract or repel can be seen in the shape of the created

10

Can we understand why?

Whether they attract or repel can be seen in the shape of the created B field

(Animation)

(Animation)

Field Pressures and Tensions: A

Field Pressures and Tensions: A

11

Field Pressures and Tensions: A Way To Understand the qVxB Magnetic Force

12 Speakers

12 Speakers

12

Speakers

13 Speakers

13 Speakers

13

Speakers

14 DC Motor

14 DC Motor

14

DC Motor

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