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In the following figure, a long, straight, current-carrying wire of linear mass

ID: 2137958 • Letter: I

Question

In the following figure, a long, straight, current-carrying wire of linear mass density mu is suspended by threads. A magnetic field perpendicular to the wire exerts a horizontal force that deflects the wire to an equilibrium angle theta.

A. Find an expression for the strength and direction of the magnetic field vector B. EXPRESS YOUR ANSWER IN TERMS OF THE VARIABLES MU, THETA, i, AND APPROPRIATE CONSTANTS.

B. What vector B deflects a 50g/m wire to a 11 degree angle when the current is 10A?

In the following figure, a long, straight, current-carrying wire of linear mass density mu is suspended by threads. A magnetic field perpendicular to the wire exerts a horizontal force that deflects the wire to an equilibrium angle theta. Find an expression for the strength and direction of the magnetic field vector B. EXPRESS YOUR ANSWER IN TERMS OF THE VARIABLES MU, THETA, i, AND APPROPRIATE CONSTANTS. What vector B deflects a 50g/m wire to a 11 degree angle when the current is 10A?

Explanation / Answer

Part A?

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