Question

Can someone check my answers please??


Which of these is true about a bar magnet?

Its north pole tends to point south.

Its poles can be separated into two isolated poles.

Its poles attract or repel because of their net electric charge.

-----> It attracts unmagnetized iron objects by making them magnetically polarized.

Answer 1

Which of these is true about the magnetic field of a bar magnet?

It has a magnitude at each point but no specific direction.

Its direction at each location is the same direction it would tend to make a compass point.

-----> Its direction at each location is the same direction it would tend to make a small test magnet move.

Its direction at each location is the same direction it would tend to make a small electric charge move.

Answer 2

Suppose a magnetic field of 1.0 T is applied to an area within a circular loop of wire. The strength of the field is then increased to 4.0 T. By what factor is the magnetic flux changed?
(Points : 1)
2

---> 4

0.5

0.25

Answer 3

@ganeshie8

Answer 4

@robtobey

Answer 5

@ankit042

Answer 6

All are right except the second one, the answer is B.
Its direction at each location is the same direction it would tend to make a compass point.