Consider the junction of three wires as shown in the diagram. Find the magnitude of the current density J3 in wire 3. The diameter of wire 3 is 1.5 mm . Express your answer in amperes per square millimeter to two significant figures.

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tanwolf183Lv1

11 Dec 2019

Consider the junction of three wires as shown in the diagram.

Find the magnitude of the current density J₃ in wire 3. The diameter of wire 3 is 1.5 mm . Express your answer in amperes per square millimeter to two significant figures.

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14 Oct 2020

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Related questions

Consider the junction of three wires as shown in the diagram.

The magnitudes of the current density and the diameters for wires 1 and 2 are given in the table. The current directions are indicated by the arrows.

Wire	Current density (A/mm²)	Diameter (mm)
1	3.1	1.6
2	4.9	2.8

What is the current I₃in wire 3? (Current out of the junction positive and current into the junction negative).

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