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Ilia_Sergeevich [38]
3 years ago
6

What type of circuit has all its resistors in the same path?

Physics
2 answers:
olga55 [171]3 years ago
5 0

Answer:

A series circuit

Explanation:

Resistors can be connected in two different configurations:

- Series: all resistors are connected along the same path. In this case, the current flowing through each resistor is the same, while the potential difference across each resistor is different. The total resistance of the circuit for resistor in series is given by

R_T = R_1 + R_2 + ...

- Parallel: each resistor is connected to the same batter through a different branch. In this case, the potential difference across each resistor is the same, while the current flowing through each resistor is different. The total resistance of the circuit for resistors in parallel is given by

\frac{1}{R_T}=\frac{1}{R_1}+\frac{1}{R_2}+...


In this problem, we have resistors all connected in the same path, so they are connected in a series configuration.

fenix001 [56]3 years ago
3 0
This is what is known as a series circuit. People advise to not use these and use the much more useful parallel circuits, which have resistors on separate paths.
I hope this helps!
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What must happen to an atom of magnesium in order to become a magnesium ion Mg+2?
igomit [66]

Answer:

Answer is: c. It must lose two electrons and become an ion.

Magnesium (Mg) is metal from 2. group of Periodic table of elements and has low ionisation energy and electronegativity, which means it easily lose valence electons (two valence electrons).

Magnesium has atomic number 12, which means it has 12 protons and 12 electrons. It lost two electrons to form magnesium cation (Mg²⁺) with stable electron configuration like closest noble gas neon (Ne) with 10 electrons.

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Explanation:

4 0
3 years ago
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Alcohol of mass 33.2g and density 0.79kg/m³ or 790kg/m³ is mixed with water of 9g. What is the density of the resulting mixture?
KATRIN_1 [288]

Answer:

  0.83 g/cm³

Explanation:

The volume of the alcohol is ...

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The total mass is ...

  33.2 g + 9 g = 42.4 g

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The resulting mixture has a density of about 0.83 g/cm³.

_____

<em>Additional comment</em>

Alcohol dissolves in water, so the total volume will be slightly less than 51.0253 cm³. The attached curve shows the result of mixing ethanol and water.

The weight of a mole of ethanol is about 46 g, of water, about 18.02 g. Then the mole fraction of alcohol is ...

  (33.2/46)/(33.2/46 +9/18.02) ≈ 0.59

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We're not completely sure of the relevance of this calculation, since many of the applicable parameters are not specified. The point is that <em>the density of the mix will probably be slightly more than the value calculated above</em>. YMMV

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3 years ago
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Ronch [10]

Answer:

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The change in momentum can be written as

\Delta p = m(v-u)

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m = 0.55 kg is the mass of the football

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