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pav-90 [236]
3 years ago
10

. A current through a horizontal powerline flows in west to east direction. What is the direction of magnetic field at a point,

when viewed from the west end? *
a) clockwise
b) anti- clockwise
c) parallel to the wire
d) towards east
Chemistry
1 answer:
My name is Ann [436]3 years ago
6 0

Answer:

c) parallel to the wire

Explanation:

The concept is based on right-hand thumb rule that states that the thumb points in the direction of the current and the fingers will represent the direction of the lines of magnetic force.

As the current is moving in the east-west direction. Using the right-hand thumb rule, the direction of the magnetic field at a point below the wire is from north to south. So, when viewed from the west end, the magnetic field at a point will be anti- clockwise.

Hence, the correct answer is "b) anti- clockwise".

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Which statement about bonding is correct? (1 point)
ZanzabumX [31]

The statement correct about bonding is the release of energy in bond formation, and is exothermic. Thus, option C is correct.

The bonds have been defined as the sharing of electrons between atoms for the stabilization and forming compounds. The formation and breaking of the bond results in the absorption and release of the energy.

<h3>Endothermic and Exothermic reaction</h3>

The reaction in which the energy has been released has been termed as exothermic reaction. The reaction in which energy is absorbed is termed as endothermic system.

The bonds are stable, and to break the bond energy has to be provided to the system. The energy will result in the delocalization of electrons and thereby breaking of bonds.

Since energy has been absorbed by the system during breaking of bonds, the reaction has been an endothermic reaction.

The formation of the bond has been releases the energy in the system and is an exothermic reaction. Thus, option C is correct.

Learn more about bonding, here:
brainly.com/question/13559242

7 0
2 years ago
Read 2 more answers
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ololo11 [35]
It equals 2000  but in this case it would be 20,000mm3
4 0
3 years ago
How would you balance the following equation NaOh + H2CO3=Na2CO3+H2O ?
mamaluj [8]

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8 0
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prohojiy [21]

Answer:

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Explanation:

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4 0
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Andrej [43]
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4 0
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