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Galina-37 [17]
3 years ago
9

What is the principle of potentiometer?​

Physics
2 answers:
Oksi-84 [34.3K]3 years ago
7 0

Explanation:

The principle of a potentiometer is that the potential dropped across a segment of a wire of uniform cross-section carrying a constant current is directly proportional to its length. The potentiometer is a simple device used to measure the electrical potentials (or compare the e.m.f of a cell).

kupik [55]3 years ago
6 0

Answer:

The principle of a potentiometer is that the potential dropped across a segment of a wire of uniform cross-section carrying a constant current is directly proportional to its length. The potentiometer is a simple device used to measure the electrical potentials (or compare the e.m.f of a cell).

Explanation:

I hope it will help you

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An apparatus like the one Cavendish used to find G has large lead balls that are 8.4 kg in mass and small ones that are 0.061 kg
garik1379 [7]

Answer:

The gravitational force is 1.05\times10^{-8}\ N

Explanation:

Given that,

Mass of large ball = 8.4 kg

Mass of small ball = 0.061 kg

Separation = 0.057 m

Gravitational constant G= 6.67\times10^{-11}\ Nm^2/kg^2

We need to calculate the gravitational force

Using formula of gravitational force

F= \dfrac{Gm_{1}m_{2}}{r^2}

Put the value into the formula

F=\dfrac{6.67259\times10^{-11}\times8.4\times0.061}{(0.057)^2}

F=1.05\times10^{-8}\ N

Hence,  The gravitational force is 1.05\times10^{-8}\ N

6 0
3 years ago
What are benefits of better cardio-respiratory endurance?
marysya [2.9K]

Answer: By strengthening cardiorespiratory endurance your body will be able to take in and carry more oxygen. This will result in an increased number of red blood cells and hemoglobin. Your heart rate will also become stronger and be able to pump out larger volumes of blood and distribute the oxygen better.

Explanation:

3 0
3 years ago
Mass is sometimes described as the difficulty of acceleration of an object. How does Newton's second law agree with this descrip
Charra [1.4K]

Answer:

Increasing force tends to increase acceleration while increasing mass tends to decrease acceleration. Thus, the greater force on more massive objects is offset by the inverse influence of greater mass. Subsequently, all objects free fall at the same rate of acceleration, regardless of their mass.

If the mass increases, it's harder to accelerate

6 0
3 years ago
While playing red light green light, Shelbie starts at rest and accelerates at a rate of 1.2 m/s2 constantly. Shelbie traveled 1
castortr0y [4]

Answer:

12.5 seconds

Explanation:

If she runs 1.2 meters per second, and she goes 15 meters, then you can solve the problem by solving 15 / 1.2, which is equal to 12.5.

4 0
3 years ago
the capacity of computer of performing more than one task at the same time is called ............of computer.​
jolli1 [7]

Answer:

We conclude that the capacity of the computer of performing more than one task at the same time is called the versatility of the computer.

Explanation:

We know that when a PC or laptop is capable of doing multiple tasks at the same time, this particular characteristic of a computer is termed as the versatility of the computer.

In other words, the versatility of the computer makes sure the computer or PC can do multitasking at the same time.

The versatility of a computer makes sure the machine can perform different types of works completed at the same time.

For example, using a computer, we can listen to music while playing games at the same time.

Therefore, we conclude that the capacity of the computer of performing more than one task at the same time is called the versatility of the computer.

8 0
3 years ago
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