Consider two sections of wires with currents as shown. Select True or False for

Question

Consider two sections of wires with currents as shown. Select True or False for all statements.

a) The magnetic field of the long wire points out of the paper at the location of the short wire.
b) The force on the short wire due to the long wire is toward the left.
c) The force on the short wire due to the long wire is toward the right.
d) The magnetic field of the long wire points into the paper at the location of the short wire.
e) If the short wire were free to rotate about its fixed center (P), from the position shown, its initial rotation would be clockwise.

Explanation / Answer

The magnetic field of the long wire points out of the paper at the location of the short wire.TRUQ The force on the short wire due to the long wire is toward the right.TRUE The magnetic field of the long wire points into the paper at the location of the short wire.FALSE If the short wire were free to rotate about its fixed center (P), from the position shown, its initial rotation would be clockwise.FALSE The force on the short wire due to the long wire is toward the left.FALSE

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