1.All of the following are TRUE about magnets, EXCEPT
a.North poles and South poles attract when brought near each other.
b South poles and South poles do not touch when brought near each other.
c. Magnetic field lines always go towards the North pole of a magnet.
d. Magnetic field lines never cross when two North poles are brought near each other.
2.From the following examples: (1) blow drying your hair, (2) heating your food in a microwave, and (3) heating up the atmosphere, what sets the third example different from the first two?
a. Its heat transfer happens by conduction while the first two are by convection.
b. Its heat transfer happens by convection while the first two are by radiation.
c. Its heat transfer happens by radiation while the first two are by conduction.
d. There is no heat transfer that occurs in it while there are in the first two.
a.North poles and South poles attract when brought near each other.
b South poles and South poles do not touch when brought near each other.
c. Magnetic field lines always go towards the North pole of a magnet.
d. Magnetic field lines never cross when two North poles are brought near each other.
2.From the following examples: (1) blow drying your hair, (2) heating your food in a microwave, and (3) heating up the atmosphere, what sets the third example different from the first two?
a. Its heat transfer happens by conduction while the first two are by convection.
b. Its heat transfer happens by convection while the first two are by radiation.
c. Its heat transfer happens by radiation while the first two are by conduction.
d. There is no heat transfer that occurs in it while there are in the first two.
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Answer:
1.c
2._____
Explanation:
hopes it help I don't know what's 2