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NikAS [45]
3 years ago
13

Tech A says the leads on a multimeter are negative and positive. Tech B says the test leads on an oscilloscope that we normally

use are yellow, blue, and green. Who is correct?
Physics
1 answer:
tangare [24]3 years ago
8 0

Answer:

Tech B

Explanation:

An oscilloscope is a measuring instrument for electronics. It represents a graph of amplitude on the vertical axis and time on the horizontal axis. It is widely used by students, designers, engineers in the field of electronics. It is often complemented by a multimeter, a power supply and a function generator or arbitrary.

As usual:

The Temperature palette or lead uses grading to indicate the frequency of occurrence, with warm colors such as yellow indicating red / frequently occurring events and cold colors such as blue / green indicating rarely occurring events

The spectral palette or lead uses grading to indicate the frequency of occurrence with cold colors such as blue that indicate events that occur frequently and warm colors such as red that indicate events that occur rarely.

The normal Palette uses the default color channel (such as yellow for channel one), along with the gray scale to indicate the frequency of occurrence, where the events that occur frequently are bright.

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A clindrical rod of uniform density is located with its center at the origin, and its axis along the axis. It rotates about its
zhenek [66]

Answer:

6093.2328 J

Explanation:

For cylindrical rod moment of inertia will be

I_X=I_Y=\frac{1}{12}m(3r^2+h^2)

I_X=I_Y=\frac{1}{12}\times 4(3\times 0.06^2+0.6^2)=0.1236 kg -m^2

we have given time =0.02 sec

Angular speed =\frac{2\pi }{T}=\frac{2\times 3.14}{0.02}=314\ rad/sec

Rotational KE = \frac{1}{2}I\omega ^2=\frac{1}{2}\times 0.1236\times 314^2=6093.2328\ J

5 0
4 years ago
As stream discharge increases ________. only velocity increases velocity, width, and depth increase velocity, width, and depth d
nignag [31]

As stream discharge increases, only velocity increases.

<h3>What is discharge?</h3>

The discharge or volume flow rate is defined as the product of the velocity of the fluid and the area of cross- section of the pipe or tube.

Discharge Q = Area A x Velocity V

Q = AV

The discharge is directly proportional to the velocity of the fluid. When discharge increases, velocity is the only physical quantity that can be changed.

Thus, As stream discharge increases, only velocity increases.

Learn more about discharge.

brainly.com/question/25727077

#SPJ1

5 0
2 years ago
PLEASE HELP 40 POINTS AND BRAINLIEST
Vikki [24]

Then the time interval during which the rocket engine provides upward acceleration in 2.1s hope this helps have more photos but can’t put them more in brainliest is appreciated

8 0
3 years ago
A square is 1.0 m on a side. Point charges of +4.0 μC are placed in two diagonally opposite corners. In the other two corners ar
finlep [7]

Answer:

<em>B) 1.0 × 10^5 V</em>

Explanation:

<u>Electric Potential Due To Point Charges </u>

The electric potential produced from a point charge Q at a distance r from the charge is

\displaystyle V=k\frac{Q}{r}

The total electric potential for a system of point charges is equal to the sum of their individual potentials. This is a scalar sum, so direction is not relevant.

We must compute the total electric potential in the center of the square. We need to know the distance from all the corners to the center. The diagonal of the square is

d=\sqrt2 a

where a is the length of the side.

The distance from any corner to the center is half the diagonal, thus

\displaystyle r=\frac{d}{2}=\frac{a}{\sqrt{2}}

\displaystyle r=\frac{1}{\sqrt{2}}=0.707\ m

The total potential is  

V_t=V_1+V_2+V_3+V_4

Where V1 and V2 are produced by the +4\mu C charges and V3 and V4 are produced by the two opposite charges of \pm 3\mu\ C. Since all the distances are equal, and the charges producing V3 and V4 are opposite, V3 and V4 cancel each other. We only need to compute V1 or V2, since they are equal, but they won't cancel.

\displaystyle V_1=V_2=k\frac{Q}{r}=9\times 10^9 \frac{4\times 10^{-6}}{0.707}

V_1=V_2=50912\ V

The total potential is

V_t=50912\ V+50912\ V=1\times 10^5\ V

\boxed{V_t=1\times 10^5\ V}

6 0
4 years ago
What does a measured number tell you?
oksano4ka [1.4K]

Answer:

The precision at which the number was measured  

Explanation:

The number of digits that you use to record a measurement indicates the precision of the measurement.

5 0
4 years ago
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