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RSB [31]
4 years ago
6

What will occur if a resistor with high resistance is inserted into a circuit?

Physics
2 answers:
lapo4ka [179]4 years ago
8 0

Answer:

<u>D. There will be a low current drop across it.</u>

Explanation:

The current may be substantially reduced by inserting a high resistance between two points (for the sake of this example, we'll use A and B). High resistances in an electrical current tend to reduce greatly the flow of charge, and they also have large potential drops across them.

Anton [14]4 years ago
5 0
If the resistor is in series with the rest of the circuit then a is the correct answer. The voltage across the resistor in series with another resistor is
V \frac{R}{R+r}
where R is the big resistor and r is the small one and V is the total voltage drop across both.  This is called a voltage divider
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The water in this pot is in the process of changing from a liquid to a gas. Thermal energy is still being added to the water as
olga nikolaevna [1]

The extra energy allows the molecules to convert states of molecules.

<h3>What is heating?</h3>

When the temperature is increased , the body or particle is said to be heating.

The water in this pot is in the process of changing from a liquid to a gas. Thermal energy is still being added to the water as it vaporizes, but its temperature and the motion of its particles are not increasing.

When the liquid is converted to gas, the temperature reaches the boiling point of water. After boiling, the heat added up will only make the particles to convert its phase and go away in then atmosphere.

Thus, extra energy added helps molecules of water to change its state from liquid to solid.

Learn more about heating.

brainly.com/question/1429452

#SPJ1

6 0
2 years ago
A block weighing 9.3 N requires a force of 3.7 N to push it along at constant velocity. What is the coefficient of friction for
olga_2 [115]

Answer:

0.398

Explanation:

According to friction, the frictional force is directly proportional to the normal reaction

Ff = nR

Ff is the frictional force

n is the coefficient of friction

R is the reaction

Reaction is equal to the weight

R= W = 9.3N

Fm = Ff = 3.7N

Fm is the moving force

Get the coefficient of friction

n = Ff/R

n = 3.7/9.3

n = 0.398

Hence the coefficient of friction for the surface is 0.398

3 0
3 years ago
Calculating the acceleration of two people pulling a box with same force and angle.
Dmitriy789 [7]

Here as we can see there we be net horizontal force acting on it

F_x = F_1cos20 + F_2cos20

also we know that

F_1 = F_2 = 80 N

now we will have

F_x = 2(80cos20)

F_x = 150.35 N

now for net force of box we know

F_x - F_f = ma

150.35 - 100 = ma

20a = 50.35

a = 2.52 m/s^2

so acceleration of the box will be 2.52 m/s/s

7 0
3 years ago
You yell into a canyon. You hear the echo in 3 seconds. How long did the sound of your voice travel before bouncing off a cliff?
Lilit [14]

Answer:

The sound travelled 516 meters before bouncing off a cliff.

Explanation:

The sound is an example of mechanical wave, which means that it needs a medium to propagate itself at constant speed. The time needed to hear the echo is equal to twice the height of the canyon divided by the velocity of sound. In addition, the speed of sound through the air at a temperature of 20 ºC is approximately 344 meters per second. Then, the height of the canyon can be derived from the following kinematic formula:

2\cdot h = v\cdot t (1)

Where:

h - Height, measured in meters.

v - Velocity of sound, measured in meters per second.

t - Time, measured in seconds.

If we know that  v = 344\,\frac{m}{s} and t = 3\,s, then the height of the canyon is:

h = \frac{v\cdot t}{2}

h = \frac{\left(344\,\frac{m}{s} \right)\cdot (3\,s)}{2}

h = 516\,m

The sound travelled 516 meters before bouncing off a cliff.

7 0
3 years ago
An antacid blank excess stomach acid.
Fynjy0 [20]
What are you asking?
3 0
3 years ago
Read 2 more answers
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