Lesson : Electricity and Magnetism

Physics

2 answers:

juin [17]3 years ago

7 0

Answer:

Explanation:

A is North Pole, D equator. H is the magnetic North Pole n C the magnetic equator.

I is 10-12 degrees

magnet points to N-S direction as in a compass

Oxana [17]3 years ago

4 0

Answer:

Explanation:

The funny-looking circle is a hint but iii confirms we are talking about Eartth's magnetic field here :)

i. A is North Pole while H is the magnetic North Pole. D is the equator while C is the magnetic equator.

ii. I, the tilt angle, is about 11 degrees.

iii. A freely suspended magnet inclines towards HF or AG because it always points towards North/South.

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You push on a 30 kg box with a force of 120 N. What is the acceleration of the box2

kumpel [21]

Answer:

Explanation:

120/30=6

8 0

3 years ago

If the atoms that share electrons have an unequal attraction for the electrons is called

Karolina [17]

If the atoms that share electrons have an unequal attraction for electrons, the bond is called a Polar covalent bond.

<h3><u>Explanation:</u></h3>

A covalent chemical bond is formed in case of two different non-metals when one or more electron pairs are shared between bonding atoms. A difference in electronegativity of subsequent atoms of a covalent bond leads to formation of a small net charge around nucleus of each atom, pulling the shared electrons to one side of the bond, to the nucleus which has higher electronegativity.

HCl is an example of polar covalent bond and the HCl bond has Chlorine more electronegative. The bonding electrons are more close to Cl than H and hence Cl is partially negatively charged than H which has partial positive charge (HCl bond : $H^{+} - Cl^{-}$ ). When electrons shared in a covalent bond have equal attraction, the bond is a Non-Polar covalent bond.