3 years ago

What do you call the process of charging a conductor by bringing it near another charged object and

Mathematics

2 answers:

morpeh [17]3 years ago

6 0

The creation voltage

coldgirl [10]3 years ago

5 0

Answer:

Induction

Step-by-step explanation:

Induction is "the creation of a voltage difference across a conductive material (such as a coil of wire) by exposing it to a changing magnetic field."

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Mean means average in a set of data

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3 years ago

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Andrei [34K]

Answer:

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Given that f(x) = 19x2 + 152, solve the equation f(x) = 0

telo118 [61]

Option A

The solution is:

$x = \pm 2i \sqrt{2}$

Solution:

$f(x) = 19x^2+152$

We have to solve the equation f(x) = 0

Let f(x) = 0

$0=19x^2+152$

Solve the above equation

$19x^2 + 152 = 0$

$\mathrm{Subtract\:}152\mathrm{\:from\:both\:sides}\\\\19x^2+152-152=0-152\\\\Simplify\ the\ above\ equation\\\\19x^2 = -152\\\\\mathrm{Divide\:both\:sides\:by\:}19\\\\\frac{19x^2}{19} = \frac{-152}{19}\\\\x^2 = -8$

Take square root on both sides

$x = \pm \sqrt{-8}\\\\x = \pm \sqrt{-1}\sqrt{8}\\\\\mathrm{Apply\:imaginary\:number\:rule}:\quad \sqrt{-1}=i\\\\x = \pm i\sqrt{8}\\\\x = \pm i \sqrt{2 \times 2 \times 2}\\\\x = \pm 2i\sqrt{2}$

Thus the solution is found

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3 years ago

There are 60 students and 13 teachers on a bus what is the ratio of students to teachers

mixer [17]

60 : 13

30 : 6.5

15 : 3.25

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