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Genrish500 [490]
3 years ago
13

11. Two point charges, initially 1 cm apart, are moved to a distance of 3 cm apart. By what factor

Physics
1 answer:
vampirchik [111]3 years ago
8 0

Answer:

9

Explanation:

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Radio waves, Middle-C, and halitosis are not forms of light.

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3 years ago
"4. Two long, parallel wires each carry the same current I in the same direction (Fig. OQ 30.4) . Is the total magnetic field at
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Total magnetic field at the point P midway between the wires is Zero.

The higher wire's contribution to the magnetic field at point P is directed into the page, whereas the lower wire's contribution is directed out of the page. These two oppositely directed contributions to the magnetic field have identical magnitudes and cancel each other out since point P is equally spaced from the two wires and the currents flowing through them are of equal magnitude.

<h3></h3><h3>Define magnitude?</h3>

The term "magnitude" refers to an object's greatest size and direction. Scalar and vector quantities both use magnitude as a common factor. We are aware that scalar quantities are those that have just magnitude by definition. Those quantities with both magnitude and direction are considered vector quantities. It can also be used to describe how far an object has travelled or how much an object weighs in terms of its magnitude.

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5 0
2 years ago
B. Study the given figure and calculate the area of the leaf
yanalaym [24]

Answer:

19 cm sq

Explanation:

you have to count one full and half area occupied by leaf in each box, then you have to multiply with 1 cm sq.

4 0
3 years ago
If a vector that is 3cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale repre
poizon [28]

Answer: A. 50 km/h

Explanation:

3 * 10 = 30

5 * 10 = 50

5 0
3 years ago
A hollow cylinder with an inner radius of 4.0 mm and an outer radius of 30 mm conducts a 3.0-Acurrent flowing parallel to the ax
Kryger [21]

Answer:

the magnitude of the magnetic field is 0.45 mT

Explanation:

Knowing the formula

B = \frac{m0* (i - i')}{2* Pi* r}

i = 3A    i' = 0A

B = \frac{4*3.1416e^{-7} * (3-0) }{2*3.1416*0.012}

B = 0.45 mT

8 0
3 years ago
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