Ask question

Ask question

All categories

2 years ago

13

Why is it dangerous to connect a battery to itself. what is the term used to describe that

1 answer:

Yuki888 [10]2 years ago

8 0

In the circuit outside of the battery the electrons have to expend all of their energy on the internal resistance of the battery which causes heating

You might be interested in

A 0.134-A current is charging a capacitor that has square plates 6.00 cm on each side. The plate separation is 4.00 mm. (a) Find

Advocard [28]

Answer:

a) 1.51Vm/s

b)Id=0.134A

Explanation:

(a) The time rate of change of electric flux between the plates can be computed by using:

$I_c=C\frac{dV}{dt}=\frac{\epsilon_0A}{d}\frac{d(Ed)}{dt}=\epsilon_0\frac{d\Phi_E}{dt}\\\\\frac{\Phi_E}{dt}=\frac{I_c}{\epsilon_0}=\frac{0.134A}{8.85*10^{-12}C/(Nm^2)}=1.51\frac{Vm}{s}$

where Ic is the current of the capacitor, e0 is the dielectric permittivity of vacuum and A is the area of the capacitor.

(b) The displacement current coincides with capacitor current:

Id = 0.134A

hope this helps!!

5 0

2 years ago

g the space in between two glass sheets has a volume of 0.025 m3. If the temperature of the gas is 290 K, what is the rms speed

Keith_Richards [23]

Complete Question

Argon gas (a monatomic gas) is sometimes used to insulate a double-pane window for purposes of insulation. In a particular window, the space in between two glass sheets has a volume of $0.025 \ m^3$ . If the temperature of the gas is 290 K. what is the rms speed of the gas atoms? The atomic mass of Argon is 39.9 u.(l u= 1.66x10-27 kg) Enter your answer in m/s

Answer:

The value is $V_{rms} = 425.75 \ m/s$

Explanation:

From the question we are told that

The volume of the space in between the two glass sheet is $a = 0.025 \ m^3$

The temperature of the gas is $T = 290 \ K$

The atomic mass of Argon is $m = 39.9 \ u = 39.9 * 1.66 *10^{-27} = 6.623 *10^{-26} \ kg$

Generally the root mean square velocity is mathematically represented as

$V_{rms} = \sqrt{\frac{3 K T}{ m } }$

Here K is the Boltzmann constant with value $k = 1.38 *10^{-23} \ m^3 \cdot kg \cdot s^{-2} \cdot K^{-1}$

So

$V_{rms} = \sqrt{\frac{3 * 1.38 *10^{-23} * 290 }{ 6.6234*10^{-26} } }$

=> $V_{rms} = 425.75 \ m/s$

3 0

2 years ago

The earth pulls on the apple, and the apple pulls on the earth. This idea is represented by Newton's ___ Law of Motion.

algol [13]

It is the 3rd Law. Every force in nature occurs in equal measure but opposite directions

3 0

3 years ago

A pair of electrically charged objects attract each other with a force of 4 N when they are a distance of 3 m apart. If their ch

Rainbow [258]

Answer:

1 N

Explanation:

From coulomb's law,

The force of attraction between two charges is inversely proportional to the square of the distance between the charges.

From the question,

Assuming the charges are the same in both case,

F ∝ /r²....................... Equation 1

Fr² = k

F'r'² = Fr²........................... Equation 2

Where F' = First Force, r'² = First distance, F = second force, r² = second distance.

make F the subject of the equation,

F = F'r'²/r².................... Equation 3

Given: F' = 4 N, r' = 3 m, r = 6 m

Substitute into equation 3

F = 4(3²)/6²

F = 36/36

F = 1 N

7 0

2 years ago

an asteroid flies close to the earth. gravity does what? A.repels the asteroid away from the earth. B. attracts the asteroid and

Marysya12 [62]

Due to the gravitational pull of earth the asteroid would be pulled towards earth, so the answer is B.

4 0

2 years ago