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tester [92]
2 years ago
11

Даю 60 ПОМОГИТЕ знайти опір кола зображеного на рисунку якщо кожний з опорів дорівнює 2 ом

Physics
1 answer:
arlik [135]2 years ago
7 0

Answer:

ano daw? HAHAHA di ko maintindihan

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Calculate the acceleration of a train travelling from rest to 24 m/s in 12 seconds.
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(24 - 0) / 12 = 2
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2..Read the following statements carefully and choose the correct option
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2 years ago
Tarik winds a small paper tube uniformly with 183 turns 183 turns of thin wire to form a solenoid. The tube's diameter is 9.49 m
Rufina [12.5K]
<h2>Answer:</h2>

143μH

<h2>Explanation:</h2>

The inductance (L) of a coil wire (e.g solenoid) is given by;

L = μ₀N²A / l                 --------------(i)

Where;

l = the length of the solenoid

A = cross-sectional area of the solenoid

N= number of turns of the solenoid

μ₀ = permeability of free space = 4π x 10⁻⁷ N/A²

<em>From the question;</em>

N = 183 turns

l = 2.09cm = 0.0209m

diameter, d = 9.49mm = 0.00949m

<em>But;</em>

A = π d² / 4                     [Take π = 3.142 and substitute d = 0.00949m]

A = 3.142 x 0.00949² / 4

A = 7.1 x 10⁻⁵m²

<em>Substitute these values into equation (i) as follows;</em>

L = 4π x 10⁻⁷ x 183² x 7.1 x 10⁻⁵ / 0.0209           [Take π = 3.142]

L = 4(3.142) x 10⁻⁷ x 183² x 7.1 x 10⁻⁵ / 0.0209

L = 143 x 10⁻⁶ H

L = 143 μH

Therefore the inductance in microhenrys of the Tarik's solenoid is 143

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3 years ago
Alyssa is wins a lottery. According to the concept of the hedonic treadmill,
timama [110]

Answer: the first answer is correct

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she goes back to a stable feeling

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3 years ago
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