Answer:
how large a magnetic field would you experience = 8.16 x 10∧-4T
Explanation:
I = 20KA = 20,000A
r = 4.9 m
how large a magnetic field would you experience = u.I/2πr
how large a magnetic field would you experience = (4π x10∧-7) × 20000/2π × 4.9
how large a magnetic field would you experience = 8.16 x 10∧-4T
V(voltage) = I(current)R(resistance)
substitute in the values
V = 15 * 0.10
V = 1.5 volts
Answer:
![P_g' = 0.075 atm](https://tex.z-dn.net/?f=P_g%27%20%3D%200.075%20atm)
Explanation:
Gauge pressure at the bottom of the cylinder depends on the height of water in the cylinder
So here we can say that
![P_g = \rho g h](https://tex.z-dn.net/?f=P_g%20%3D%20%5Crho%20g%20h)
now when liquid is filled to height "h" in base area "A" then gauge pressure of the liquid at the bottom is given as
![P_g = 0.30 atm](https://tex.z-dn.net/?f=P_g%20%3D%200.30%20atm)
now we put the whole liquid into another cylinder with twice radius of the first cylinder
So area becomes 4 times
now by volume conservation we can say that if area is increased by 4 times then height of liquid will decrease by 4 times
so we have
![h' = \frac{h}{4}](https://tex.z-dn.net/?f=h%27%20%3D%20%5Cfrac%7Bh%7D%7B4%7D)
so gauge pressure is given as
![P_g' = \frac{0.30}{4} = 0.075 atm](https://tex.z-dn.net/?f=P_g%27%20%3D%20%5Cfrac%7B0.30%7D%7B4%7D%20%3D%200.075%20atm)
Answer: It's b and c I got it right
Explanation:
Hope this helped!!!! :)