Please state whether each is True or False; if false, please explain why a) The Hall Effect tells us that it is negative charges that move freely within a conductor, and not positive charges. b) Negative charges moving in an uniform external magnetic field will made circular loops in the clockwise direction. c) Positive charges moving in an uniform external magnetic field will made circular loops in the clockwise direction. d) Currents exposed to magnetic fields react the same way regardless of the direction the current is traveling in the wire.
Please state whether each is True or False; if false, please explain why
a) The Hall Effect tells us that it is negative charges that move freely within a conductor, and not positive charges.
b) Negative charges moving in an uniform external magnetic field will made circular loops in the clockwise direction.
c) Positive charges moving in an uniform external magnetic field will made circular loops in the clockwise direction.
d) Currents exposed to magnetic fields react the same way regardless of the direction the current is traveling in the wire.
a)True
current flow in a conductor is due to the availability of free electrons. In presence of an electric field, these free electrons experience force and start motion.
b) False.
The direction of motion of the negative charge carrier depends on the direction of the perpendicular magnetic field. or on the value of vector cross product of velocity and magnetic field.
c)False.
The clockwise or anticlockwise direction depends on the cross product of velocity and the magnetic field vector.
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