What force results from charged particles?
2 answers:
Answer:
C: the force of electromagnetic.
Explanation:
- Contact force: Contact force is the force which is caused by the contact of two macroscopic objects.
- Gravitational force: It is defined as the force of attraction between the two objects of masses and they are at certain distance.
- The force of electromagnetism: This is the force which is in between the charge particles whether the charge particles are moving or not.
- Push force: It is the force which is generated by pushing any object.
Therefore, by the above definitions the force of electromagnetism is the result from charge particles.
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Answer:
<em>radius of the loop = 7.9 mm</em>
<em>number of turns N ≅ 399 turns</em>
Explanation:
length of wire L= 2 m
field strength B = 3 mT = 0.003 T
current I = 12 A
recall that field strength B = μnI
where n is the turn per unit length
vacuum permeability μ = = 1.256 x 10^-6 T-m/A
imputing values, we have
0.003 = 1.256 x 10^−6 x n x 12
0.003 = 1.507 x 10^-5 x n
n = 199.07 turns per unit length
for a length of 2 m,
number of loop N = 2 x 199.07 = 398.14 ≅ <em>399 turns</em>
since there are approximately 399 turns formed by the 2 m length of wire, it means that each loop is formed by 2/399 = 0.005 m of the wire.
this length is also equal to the circumference of each loop
the circumference of each loop =
0.005 = 2 x 3.142 x r
r = 0.005/6.284 = = 0.0079 m =<em> 7.9 mm</em>