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Week 11 Quiz
Enter your Surname starting with a capital letter (eg. Urminsky)
In Ampere's Law, the direction of the integration around the path
must be clockwise
must be counterclockwise
must be such as to follow the magnetic field lines
must be along the wire in the direction of current
None of the above
A toroid carries a current I, The magnetic field has its largest magnitude
at the centre of the hole
just inside the toriod at its inner surface
just inside the toroid at its outer surface
at any point inside (uniform field)
The diagram above shows a circular loop of wire that rotates at a steady rate about a diameter O that is perpendicular to a uniform magnetic field. The maximum EMF occurs when the point X on the loop passes:
In the figure above a bar is moving to the right on two conducting rails. To make an induced current i in the direction indicated, a constant magnetic field in region A should be in what direction?
Into the screen
out of the screen
impossible to determine
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