3 years ago

Fenómeno químico en virtud del cual se transforma un cuerpo o compuesto por la accion de un oxidante

Physics

1 answer:

uranmaximum [27]3 years ago

3 0

Chemical phenomenon by virtue of which a body or compound is transformed by the action of an oxidant

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What conversion factor is used to convert 20 cm to m

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An element's atomic number is 55. How many protons would an atom of this element have?

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3 years ago

A 45-mH inductor is connected in series with a 60-Ω resistor through a 15-V dc power supply and a switch. If the switch is close

egoroff_w [7]

Answer:

The current is 0.248 A

Explanation:

Given that,

Inductor $L= 45\times10^{3}\ H$

Resistance $R= 60\Omega$

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Time $t =7.0\times10^{-3}\ sec$

We need to calculate the current

Using formula of current

$I=\dfrac{V}{R}(1-e^{\dfrac{-R}{L}}t)$

Where, V = voltage

R = resistance

L = inductance

T = time

Put the value into the formula

$I=\dfrac{15}{60}(1-e^{\dfrac{-60}{45\times10^{3}}}\times7\times10^{-3})$

$I=0.248\ A$

Hence, The current is 0.248 A.

4 0

3 years ago