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Svetlanka [38]
4 years ago
10

Electrical metallic tubing would be used in an electrical installation because it

Physics
2 answers:
maw [93]4 years ago
6 0
Hey There!

Electrical metallic tubing would be used in an electrical installation because it <span>is less expensive.</span>
Pani-rosa [81]4 years ago
5 0
<h3><u>Answer;</u></h3>

is less expensive than rigid metal conduit.

Electrical metallic tubing would be used in an electrical installation because<em><u> it is less expensive than rigid metal conduit.</u></em>

<h3><u>Explanation</u>;</h3>
  • Electrical conduit refers to a tube that is used to protect and route electrical wiring in a building or structure.
  • Electrical conduits are made of plastics, metals or even fiber.
  • <em><u>Electrical metallic tubing or EMT, is commonly used instead of galvanized rigid conduit since it is less expensive and also lighter than the galvanized rigid conduit.</u></em>
  • <em><u>Electrical metallic conduit is more commonly used in commercial buildings and industrial buildings as compared to residential buildings.</u></em>
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3 years ago
The filament of a certain lamp has a resistance that increases linearly with temperature. When a constant voltage is switched on
Neporo4naja [7]

Answer:

162.8 K

Explanation:

initial current = io

final current, i = io/8

Let the potential difference is V.

coefficient of resistivity, α = 43 x 10^-3 /K

Let the resistance is R and the final resistance is Ro.

The resistance varies with temperature

R = Ro ( 1 + α ΔT)

V/i = V/io (1 + α ΔT )

8 = 1 + 43 x 10^-3 x ΔT

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ΔT = 162.8 K

Thus, the rise in temperature is 162.8 K.

5 0
3 years ago
** URGENT** The voltage across the primary winding is 350,000 V, and the voltage across the secondary winding is 17,500 V. If th
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As we know that in transformers we have

\frac{V_s}{V_p} = \frac{N_s}{N_p}

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N_s = 600 coils

now from above equation we will have

\frac{17500}{350000} = \frac{600}{N_p}

N_p = 600\times \frac{350000}{17500}

N_p = 12000 coils

6 0
3 years ago
TRANSFORMA: 765 mm Hg a atm
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Presión

765

=

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1,00658

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Explanation:

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3 years ago
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