Question

How can we determine the North and south pole of a electromagnet using bar magnet.

Answer 1

Take a magnetic compass and place it close to but not touching your magnet.Watch carefully at where the compass needle points. The point that normally points to the north pole of Earth should point to one end of the magnet.That end is actually the South pole of the magnet.

Answer 2

Answer:

Group 2 is the 2nd leftmost group of the periodic table. Its elements are called alkaline earth metals because they mainly are found in the earth's crust. They have 2 electrons in their valence shell and also forms basic oxides and hydroxides just like alkali metals.

Explanation: