the net electric flux through a cube of side 1 m kept in uniform electric field E= 10⁴ N/C î is a. 10⁵ N m² c⁻¹ b. 10⁴ N m² c⁻¹ c. 5 x 10⁴ N m² c⁻¹ d. zero

Answers

Answer 1

Answer:

Answer:

To calculate the net electric flux through a cube placed in a uniform electric field, you can use Gauss's Law, which states that the electric flux (Φ) through a closed surface is equal to the electric field (E) times the surface area (A) and is also equal to the enclosed charge (Q) divided by the permittivity of free space (ε₀):

Φ = E * A = Q / ε₀

In this case, the cube has a side length of 1 meter, so its surface area (A) is 6 square meters (since there are 6 faces of a cube). The electric field (E) is given as 10⁴ N/C î, and there is no mention of any enclosed charge (Q) within the cube.

Now, calculate the electric flux:

Φ = E * A = (10⁴ N/C) * (6 m²) = 60,000 N m²/C

The unit of electric flux is N m²/C.

So, the net electric flux through the cube is 60,000 N m²/C, which is not one of the provided answer choices. However, if you convert this to the preferred unit of electric flux, which is N m² c⁻¹, you get:

60,000 N m²/C = 60,000 N m² c⁻¹

So, the answer closest to this value is (c) 5 x 10⁴ N m² c⁻¹.

Explanation:

Have great day!

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A lunar day is __________ in duration.

Answers

29.5 Earth days in duration

Why would you expect sodium (Na) to react strongly with chlorine (Cl)?1. They both need to lose one electron.
2. They both need to gain one electron.
3. Sodium needs to lose one electron, and chlorine needs to gain one electron.
4. Sodium needs to gain one electron, and chlorine needs to lose one electron.

Answers

Answer: The correct option is (3) " Sodium needs to lose one electron, and chlorine needs to gain one electron ".

Explanation :

The electronic configuration of sodium (Na) is $1s^2\ 2s^2\ 2p^6\ 3s^1$ . It has only one vacant electron.

While the electronic configuration of chlorine is $1s^2\ 2s^2\ 2p^6\ 3s^2\ 3p^5$ . It has seven valance electrons.

When Na reacts with Cl, Na will lose one electron and this lost electron gets transferred to chlorine. This forms a strong ionic bond.

So, the correct option is (3) " Sodium needs to lose one electron, and chlorine needs to gain one electron ".

3. is the answer, Sodium needs to lose one electron, and chlorine needs to gain one electron. This is because Sodium's row always wants to give away an electron, while Chlorine's row wants to gain an electron.

During a phase change what happens to the temperature?

Answers

During a phase change the substance or objects temperature increases or decreases depending on which way they go, Solid to liquid to gas needs added heat which makes it an endothermic reaction. Gas to liquid to solid loses heat energy to slow down its particles this is an exothermic reaction.

The temperature either rises or falls during a state change.
Ex.
Melting from ice to water~ the temperature is rising.

OR

Ex.
From a gas to a liquid~ the temperature is falling.

Which statement describes dynamic equilibrium? A. The forces on an object in motion are balanced. B. An object is accelerating due to forces acting on it. C. The forces on an object are unbalanced. D. The forces on a stationary object are balanced.

Answers

Answer: A. The forces on an object in motion are balanced.

Explanation:

The dynamic equilibrium is defined as the phase when an object moves at a constant velocity such that all forces on the object are balanced.

Simple case of dynamic equilibrium: A horizontal force is applied to an object making it run with a constant velocity across a surface.

Hence, the statement describes dynamic equilibrium is " The forces on an object in motion are balanced. "

So, the correct option is "A".

Answer:

Hope this helps!

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