Hi 32.34 The right edge of the circuit in figure extends into a B= 42 mT uniform

Question

Hi

32.34
The right edge of the circuit in figure extends into a B= 42 mT uniform magnetic field.?
Part 1:?
What is the magnitude of the net force on the circuit? Express your answer to two significant figures and include the appropriate units.?
Part B
What is the direction of the net force on the circuit, left or right?

Hi 32.34 The right edge of the circuit in figure extends into a B= 42 mT uniform magnetic field.? Part 1:? What is the magnitude of the net force on the circuit? Express your answer to two significant figures and include the appropriate units.? Part B What is the direction of the net force on the circuit, left or right?

Explanation / Answer

The current on the circuit is

I = V/R = 5.00 A

Only the right end of the wire has a net force, because the other forces on the upper and lower wires cancel. Thus,

F = B I L

B = 42E-3 T
L = 0.10 m

Thus,

F = 0.021 N   [ANSWER, PART 1]

***********

The current is downward, and B is into the page.

By the right hand rule, the force is TO THE RIGHT. [ANSWER, PART B]

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