As shown in the figure, a conducting rod with a linear mass density of 0.0403 kg

Question

As shown in the figure, a conducting rod with a linear mass density of 0.0403 kg/m is suspended by two flexible wires of negligible mass in a uniform magnetic field directed out of the page. A power supply is used to send a current through the rod such that the tension in the support wires is zero.

(a) If the magnitude of the magnetic field is 3.25 T, determine the current in the conducting rod.
A

(b) Determine the direction of the current in the conducting rod.

to the leftto the right

As shown in the figure, a conducting rod with a linear mass density of 0.0403 kg/m is suspended by two flexible wires of negligible mass in a uniform magnetic field directed out of the page. A power supply is used to send a current through the rod such that the tension in the support wires is zero. (a) If the magnitude of the magnetic field is 3.25 T, determine the current in the conducting rod. A (b) Determine the direction of the current in the conducting rod. to the leftto the right

Explanation / Answer

Here ,

as the magnetic force Fm is given as

Fm = BIL

and Fg = mg

BIL = mg

3.25 * I =0.0403*9.8

I = 0.122 A

the current in the rod is 0.122 A

B)
direction of current is to the left

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