Which of the following statements about magnetic flux is FALSE? a) The magnetic

Question

Which of the following statements about magnetic flux is FALSE?

a) The magnetic flux of a uniform magnetic field B through a surface A is given by M = BxA, where the direction of A is perpendicular to the surface of area A. (boldface denotes vectors)

b) The unit of magnetic flux is the weber.

c) The magnetic flux can be thought of as the number of magnetic field lines passing through a loop.

d) The magnetic flux through a loop is zero when the area vector A is perpendicular to the magnetic field B.

a) The magnetic flux of a uniform magnetic field B through a surface A is given by M = BxA, where the direction of A is perpendicular to the surface of area A. (boldface denotes vectors)

b) The unit of magnetic flux is the weber.

c) The magnetic flux can be thought of as the number of magnetic field lines passing through a loop.

d) The magnetic flux through a loop is zero when the area vector A is perpendicular to the magnetic field B.

Explanation / Answer

the statement

a) is only wrong

it should be the dot product of B and A

b), c) and d) are right

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