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Sonbull [250]
3 years ago
11

Sketch the resultant field pattern around the following current carrying conductors and

Physics
1 answer:
Novay_Z [31]3 years ago
8 0
Cccccccvvvvvcjjjjjjjjjjkllk ki e
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HELP ME, I'M BEING TIMED
m_a_m_a [10]

Answer:

i think c

Explanation:

because cars run on mechanical energy and solar powered means its by the sun which is light energy

7 0
2 years ago
Read 2 more answers
4. How much work is done when you lift a 25 N box up to a 2 m shelf?
Semmy [17]

Answer:

<h2>50 J</h2>

Explanation:

The work done by an object can be found by using the formula

workdone = force × distance

From the question

force = 25 N

distance = 2 m

We have

workdone = 25 × 2 = 50

We have the final answer as

<h3>50 J</h3>

Hope this helps you

6 0
2 years ago
Transmission Lines and Health. Currents in dc transmission lines can be 100 A or higher. Some people are concerned that the elec
Blababa [14]

Calculate the magnetic field strength at the ground. Treat the transmission line as infinitely long. The magnetic field strength is then given by:

B = μ₀I/(2πr)

B = magnetic field strength, μ₀ = magnetic constant, I = current, r = distance from line

Given values:

μ₀ = 4π×10⁻⁷H/m, I = 170A, r = 8.0m

Plug in and solve for B:

B = 4π×10⁻⁷(170)/(2π(8.0))

B = 4.25×10⁻⁶T

The earth's magnetic field strength is 0.50G or 5.0×10⁻⁵T. Calculate the ratio of the line's magnetic field strength to earth's magnetic field strength:

4.25×10⁻⁶/(5.0×10⁻⁵)

= 0.085

= 8.5%

The transmission line's magnetic field strength is 8.5% of that of earth's natural magnetic field. This is no cause for worry.

8 0
3 years ago
1. Order the materials from smallest refractive index to largest refractive index.
kakasveta [241]

Air = 1

Water = 1.33

Glass = 1.52

Quartz = 1.46

Diamond = 2.42

5 0
3 years ago
The work done by an engine equals one-fourth the energy it absorbs from a reservoir. True or False
Lunna [17]

True IF the engine is 25% efficient. False otherwise.

7 0
3 years ago
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