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Gre4nikov [31]
3 years ago
13

For the circuit shown in the figure above, the correct procedure for measuring the resistance value of R1 is to

Physics
2 answers:
Sergio039 [100]3 years ago
4 0
Choices A and D are the same procedure. It's not correct in either place. Choice-B is the correct one.
vova2212 [387]3 years ago
4 0

Answer:

B. connect the multimeter between points C and D and measure the resistance with switch S1 open.

Explanation:

multimeter is a device which is used to measure the resistance of wire across which it is connected.

Here we need to connect the two ends of the multimeter across the two ends of resistance and then it's reading is to be measured.

Here we need to take care that while measuring the resistance the circuit resistance current must not flow through it.

So here we need to make sure that switch S1 must be open while measuring the resistance

so correct answer will be

B. connect the multimeter between points C and D and measure the resistance with switch S1 open.

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A cubical surface surrounds a point charge q . Describe what happens to the total flux through the surface if (c) the surface is
valentina_108 [34]

Answer:

Gauss law states that the electric flux is defined as the electric field multiplied by the area of the surface in a plane perpendicular to the field.

Explanation:

Mathematically,

Φ=Q ϵo

Where;

Q is enclosed charge

ϵo is the permittivity of the free space

According to Gauss law, which states that the electric flux is defined as the electric field multiplied by the area of the surface in a plane perpendicular to the field.

Φ=Q ϵo

Where;

Q is enclosed charge

ϵo is the permittivity of the free space

If the cube is transformed into a sphere the total flux in the electric field remains unchanged or remains the same. This is because the gaussian law does not postulate that electric flux is dependent on the object in a plane. Hence, the transformation of the cube to a sphere does not affect the electric flux generated in the field.

To learn more about how the total flux through a sphere relates to the surface change, click brainly.com/question/4362789

#SPJ4

3 0
1 year ago
How much does the speed of a car increase if it accelerates
Nata [24]

Answer:

12.5 m/s

Explanation:

a = Δv / Δt

2.5 m/s² = Δv / 5 s

Δv = 12.5 m/s

4 0
3 years ago
Titanium is a metal used to make golf clubs. A rectangular bar of this metal measuring 1.96 cm x 2.19 cm x 2.63 cm was found to
masha68 [24]

4.012\frac{gr}{cm^3}

Explanation

the density of an object is given by:

\text{Density(d)}=\frac{mass(m)}{\text{volume(v)}}

Step 1

find the volume of the bar

a)find the volume of the rectangular bar.

the volume of a rectangular prism is given by:

\text{Volume}=\text{ length}\cdot widht\cdot depth

replace

\begin{gathered} \text{Volume}=(\text{ 2.63}\cdot2.19\cdot1.96)(cm^3) \\ \text{Volume}=11.289012(cm^3) \end{gathered}

Step 2

now,

Let

\begin{gathered} \text{Volume}=11.289012(cm^3) \\ \text{mass}=\text{ 45.3 gr} \end{gathered}

replace in the formula

\begin{gathered} \text{Density(d)}=\frac{mass(m)}{\text{volume(v)}} \\ d=\frac{45.3\text{ gr}}{11.289012(cm^3)} \\ d=4.012\frac{gr}{cm^3} \end{gathered}

therefore, the answer is

4.012\frac{gr}{cm^3}

I hope this helps you

4 0
1 year ago
A vitamin called folic acid is very important for neural tube development, which is the development of the baby's
Anestetic [448]

Answer:

Explanation:

Folic acid is the form of folate found in vitamin supplements and fortified foods. Fortified foods, also called enriched foods, are foods that have specific nutrients added to them.

Neural tube defect happen when the tissues and bone around the brain and spine do not grow well. Neural tube can happen in the third and fourth week after conception (the first or second week after your first missed period). This could be before you know that you are pregnant.

Folic acid lowers the risk of your unborn baby having a neural tube defect . Neural tube are a group of serious birth defects that affect a baby’s spinal cord, brain and skull. Some babies with severe Neural tube defect birth are stillborn or do not survive long after birth. Spina Bifida is the most common Neural tube defect.

3 0
3 years ago
A friend frequently misses the morning
poizon [28]

Answer: Heyaa! ~

State of the problem is that your friend routinely misses the school bus.

Explanation:

What are the causes for his missing the school bus:

  • Not waking<em> early </em>enough
  • Too<em> long</em> breakfast
  • Too<em> far</em> to the bus stop.
  • <em>Deliberately</em> tries to miss the bus.

Hopefully this helps you!

-Matthew ^^

7 0
2 years ago
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