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3. Represent and reason Two wires are parallel to each other. Wire 1 has electric current going into the page and wire 2 has electric current coming out of the page. Fill in the table that follows to emphasize the importance of choosing a source of a field and a system on which the field exerts a force. (a) Draw in magnetic field lines B? produced by the current I? in wire 1 (the source of the field). Be sure to include a line passing through wire 2. Noting the field B? passing through wire 2, draw the direction of the magnetic force F? ?? ? that wire 1's magnetic field B? exerts on wire 2 (the system). (b) Draw in magnetic field lines B? produced by the current I? in wire 2 (the source of the field). Be sure to include a line passing through wire 1. Noting the field B? passing through wire 1, draw the direction of the magnetic force F? ?? ? that wire 2's magnetic field B? exerts on wire 1 (the system).

          3. Represent and reason Two wires are parallel to each other. Wire 1 has electric current going into the page and wire 2 has electric current coming out of the page. Fill in the table that follows to emphasize the importance of choosing a source of a field and a system on which the field exerts a force.

(a) Draw in magnetic field lines B? produced by the current I? in wire 1 (the source of the field). Be sure to include a line passing through wire 2.
Noting the field B? passing through wire 2, draw the direction of the magnetic force F? ?? ? that wire 1's magnetic field B? exerts on wire 2 (the system).

(b) Draw in magnetic field lines B? produced by the current I? in wire 2 (the source of the field). Be sure to include a line passing through wire 1.
Noting the field B? passing through wire 1, draw the direction of the magnetic force F? ?? ? that wire 2's magnetic field B? exerts on wire 1 (the system).

3. Represent and reason Two wires are parallel to each other. Wire 1 has electric current going into the page and wire 2 has electric current coming out of the page. Fill in the table that follows to emphasize the importance of choosing a source of a field and a system on which the field exerts a force.

(a) Draw in magnetic field lines B? produced by the current I? in wire 1 (the source of the field). Be sure to include a line passing through wire 2.
Noting the field B? passing through wire 2, draw the direction of the magnetic force F? ?? ? that wire 1's magnetic field B? exerts on wire 2 (the system).

(b) Draw in magnetic field lines B? produced by the current I? in wire 2 (the source of the field). Be sure to include a line passing through wire 1.
Noting the field B? passing through wire 1, draw the direction of the magnetic force F? ?? ? that wire 2's magnetic field B? exerts on wire 1 (the system).

Added by Trinidad C.

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