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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 transverse traveling wave on a cord is represented by, where D and x are in meters and t is in seconds.
yarga [219]

Answer with Explanation:

We are given that a transverse travelling wave on a cord is represented by

D=0.51sin(6.1x+76t)

Where D and x in meters

t(in seconds)

a.General equation of transverse wave

y=Asin(kx+\omega t)

By comparing we get

A=0.51

k=6.1

k=\frac{2\pi}{\lambda}

Wavelength,\lambda=\frac{2\pi}{k}=\frac{2\pi}{6.1}=1.03

b.\omega=76

Frequency,f=\frac{\omega}{2\pi}=\frac{76}{2\pi}=12.096Hz

c.Velocity,v=f\lambda=12.096\times 1.03=12.46m/s

Direction:Towards negative x- axis

d.Amplitude,A=0.51 m

e.Maximum speed,v_{max}=A\omega=0.51\times 76=38.76 m/s

Minimum speed,v_{min}=0

6 0
4 years ago
What must a magnet always have?
ohaa [14]

Answer:

the anwser is d

Explanation:

you must have a north and south pole

8 0
3 years ago
Read 2 more answers
The mass of a glass beaker is known to be 24.2 g. Approximately 5 mL of water are added, and the mass of the beaker and water is
Kamila [148]

Answer: 2 significant figures in 6.4

Explanation:

Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

Rules for significant figures:

Digits from 1 to 9 are always significant and have infinite number of significant figures.

All non-zero numbers are always significant. For example: 654, 6.54 and 65.4 all have three significant figures.

All zero’s between integers are always significant. For example: 5005, 5.005 and 50.05 all have four significant figures.

All zero’s preceding the first integers are never significant. For example: 0.0078 has two significant figures.

All zero’s after the decimal point are always significant. For example: 4.500, 45.00 and 450.0 all have four significant figures.

Mass of beaker = 24.2 g

Mass of beaker + mass of water = 30.625 g

Mass of water = 30.625 - Mass of beaker = 30.625 - 24.2 = 6.4g

The rule apply for the addition and subtraction is :

The answer would contain same number of decimal places as there are in the least precise number present.

Thus there are 2 significant figures in mass of water which is 6.4 grams.

7 0
3 years ago
La aceleración de un proyectil que describe una trayectoria parabólica cerca de la superficie terrestre es constante o variable
Ann [662]

Answer:

Es una constante porque sigue funcionando y debido a la gravedad, tú tendrías que ser tú quien la detenga si está bajando en lugar de hacia arriba.

Explanation:

5 0
3 years ago
Suppose the microphone on an AM radio is not working properly. Which best explains how this will affect the
Otrada [13]

Answer: Sound waves will not be transformed into electrical signals.

Explanation: Just took the test and got a 100!

6 0
3 years ago
Read 2 more answers
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