An electric current is flowing through the cord below.
What will happen to this current if a magnet is brought near the cord?
A.
It will exert a force on the electric current.
B.
The resistance of the wire will decrease.
C.
The electric current will stop flowing.
D.
It will exert a force on the voltage.

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

What produces wave a)sound b) heats c)transfer of energy d)vibrations