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Sever21 [200]
3 years ago
6

Which statement correctly describes the formation of electric current?

Physics
1 answer:
Semenov [28]3 years ago
4 0

Answer:

b. A voltage causes electric charges to move from lower to a higher potential.

Explanation:

As we know, current flows from high voltage to low voltage and the electric charge flows opposite to the direction of the current. That is why we can say that the electric charge flows from low voltage to high voltage.

Resistance does not cause the electron to flow from low voltage to high voltage.

Therefore the answer is b.

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The planet Saturn has a mass that is 95 times Earth's mass and a radius that is 9.4 times Earth's radius. What is the accelerati
ziro4ka [17]

Answer:

10.55111 m/s²

Explanation:

M = Mass of Saturn = 95\times 5.972\times 10^{24}\ kg

r = Radius of Saturn = 9.4\times 6.371\times 10^6\ m

G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²

Acceleration due to gravity is given by

g=\dfrac{GM}{r^2}\\\Rightarrow g=\dfrac{6.67\times 10^{-11}\times 95\times 5.972\times 10^{24}}{(9.4\times 6.371\times 10^6)^2}\\\Rightarrow g=10.55111\ m/s^2

The acceleration due to gravity on Saturn is 10.55111 m/s²

4 0
3 years ago
Are you better off in an accident where the hood is
horsena [70]

Answer:

you would be better off if the car bounced backwards

Explanation:

because if the hood was dismembered than you have a high chance of very bad injury but if it is just bounced back you would have less chance of getting hurt if properly sitting and seat belted.

5 0
3 years ago
A plane traveled south for 2.5 hrs at a velocity of 1200km/hr. What distance did it travel?
Oxana [17]
From the formula, V=displacement/time
displacement/distance =velocity*time
distance=1200*2.5
distance=3*10³km
6 0
3 years ago
The mass of objects is 4kg and it has a density of 5gcm^-3. what is the volume ​
Yanka [14]

Answer:

4kg×5gm^3=60

Explanation:

the object if heavy

8 0
3 years ago
the temperature of monoatomic gas was increased from t1=27c to t2=177c. by how many times the internal energy of the gas increas
Romashka [77]

The internal energy increases 1.5 times

Explanation:

the internal energy of a mono atomic gas is given by E= 3/2kT

T1= 27⁰C= 27+273=300 K

T2=177⁰C= 177+273=450 K

E1= 3/2 k (300)

E2=3/2 k (450)

so E2/E1=[3/2 k (450)][3/2 k (300)]

E2/E1=450/300

E2= 1.5 E1

so the internal energy increases by a factor of 1.5

4 0
3 years ago
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