PHYSICS MIDDLE SCHOOL

Voltage difference causes charge to flow from?

Answers

Answer 1

Answer:

Voltage difference causes charge to flow from higher potential to that of a lower potential.

What is Potential difference?

This is also known as Voltage difference and it is the difference in electric potential between two points.

V= W/Q

where v is potential difference, w is work done and q is charges.

This allows for charges to flow from higher potential to that of a lower potential.

Read more about Potential difference here brainly.com/question/25923373

Answer 2

Answer:

Answer:

Voltage difference causes charge to flow from higher potential to that of a lower potential.

Explanation:

Voltage Difference:

It is work done per unit charge in moving a charge from one point to another point.

V = Voltage difference

W = Work done

Q = Charge

Then,

$V = (W)/(Q)$

unit : Volt or Joule/Coulomb

Flow of charge :

A free positive charge move from a region of higher potential to that of lower potential whereas a free negative charge moves from lower potential region to a higher potential.

Thus, a voltage difference is required for the flow of charge.

Direction of conventional current is from positive terminal to negative terminal.

Direction of electron is from negative to positive.

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A soccer ball collides with another soccer ball at rest. the total momentum of the ballsa) is zero
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Answers

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How fast will a cart be moving if a force of 200 N is applied to a 50 kg cart for 10 sec?

Answers

Acceleration = (force) / (mass)

If there is no friction . . .

Acceleration = (200N) / (50 kg) = 4m/s²

Change in speed = (acceleration) x (time) = (4 m/s²) x (10 sec) = 40 m/s

Final speed = (speed of the cart before the force began) + (40 m/s more)

(That's about 89 mph faster than the cart was moving before the force started.)

I'm assuming that the cart starts from rest.

Initial velocity (vi): 0 m/s
Final velocity (vf): ?
Acceleration (a): ?
Force (F): 200 N
Mass (m): 50 kg
Time (t): 10 s

F= ma
200 N= (50kg)(a)
a= +4 m/s^2

a= (vf-vi)/t
+4 m/s^2= (vf - 0m/s)/10s
vf= 40 m/s

Answer: the cart will be moving 40 m/s.

What is the voltage in a circuit if the current is 6.2 A and the resistance is 18 ohms

Answers

We already know the formula:
Voltage = Current * Resistance
In the given question, there are numerous information's that are already given.
Current = 6.2 A
Resistance = 18 ohms
Then
Voltage = 6.2 * 18 Volts
= 111.6 Volt
So, the voltage in the circuit will be 111.6 volts. I hope it helps you.

If you are doing a USA TEST Prep:

D) 111.6 V

a girl pulls a wagon by applying a force to it .what other force can you infer acts on the wagon in opposit direction

Answers

Friction I believe, because the friction from the ground would pull against the wagon.

Friction because it pushes the wagon and it comes from the ground

Plz help.How do ions form electrically neutral compounds?

Answers

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