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steposvetlana [31]
3 years ago
14

The variable that you change during an experiment is called what type of variable?

Physics
2 answers:
elena-s [515]3 years ago
7 0
The independent variable 
Norma-Jean [14]3 years ago
5 0
Independent is the affect of a dependent variable
control keeps everything the same
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Answer:

\frac{dI}{dt} = 2.59\ x\ 10^4\ A/s

Explanation:

First, we will calculate the inductance of the solenoid by using the following formula:

L = \frac{\mu_o AN^2}{l}

where,

L = self-inductance of solenoid = ?

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

A = Cross-sectional area = 30 cm² = 3 x 10⁻³ m²

N  = No. of turns = 2000

l = length = 65 cm = 0.65 m

Therefore,

L = \frac{(4\pi\ x\ 10^{-7}\ N/A^2)(3\ x\ 10^{-3}\ m^2)(2000)^2}{0.65\ m}\\\\L =  0.0232\ H

Now, we will use Faraday's law to calculate the rate of change of current:

emf = L\frac{dI}{dt}\\\\ \frac{dI}{dt} =\frac{emf}{L} \\\\ \frac{dI}{dt} =\frac{600\ V}{0.0232\ H}\\\\  \frac{dI}{dt} = 2.59\ x\ 10^4\ A/s

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