Answer:
The object must be equally buoyant with the surrounding fluid
is an untrue statement - because the object could not float - it could be anywhere in the fluid
Answer:
Check the attached image below.
Explanation:
Kindly check the attached image below to get the step by step explanation to the above question.
Solar system is nested nearly 2/3 of the way from the center of the galaxy to the outskirt of the galactic disc.
Answer:
![4.61\times 10^{-5}\ \text{T}](https://tex.z-dn.net/?f=4.61%5Ctimes%2010%5E%7B-5%7D%5C%20%5Ctext%7BT%7D)
![1.05\times 10^{-6}\ \text{Nm}](https://tex.z-dn.net/?f=1.05%5Ctimes%2010%5E%7B-6%7D%5C%20%5Ctext%7BNm%7D)
Explanation:
= Vacuum permeability = ![4\pi10^{-7}\ \text{H/m}](https://tex.z-dn.net/?f=4%5Cpi10%5E%7B-7%7D%5C%20%5Ctext%7BH%2Fm%7D)
= Radius of loop = 15 cm
= Current in loop = 11 A
= Radius of coil = 0.76 cm
N = Number of turns of coil = 66
= Current in coil = 1.9 A
Magnetic field is given by
![B=\dfrac{\mu_0I_l}{2r_l}\\\Rightarrow B=\dfrac{4\pi\times 10^{-7}\times 11}{2\times 0.15}\\\Rightarrow B=4.61\times 10^{-5}\ \text{T}](https://tex.z-dn.net/?f=B%3D%5Cdfrac%7B%5Cmu_0I_l%7D%7B2r_l%7D%5C%5C%5CRightarrow%20B%3D%5Cdfrac%7B4%5Cpi%5Ctimes%2010%5E%7B-7%7D%5Ctimes%2011%7D%7B2%5Ctimes%200.15%7D%5C%5C%5CRightarrow%20B%3D4.61%5Ctimes%2010%5E%7B-5%7D%5C%20%5Ctext%7BT%7D)
Magnitude of magnetic field produced by the loop at its center is
.
Torque is given by
![\tau=BI_c\pi r_c^2N\sin90^{\circ}\\\Rightarrow \tau=4.61\times 10^{-5}\times 1.9\times \pi\times (0.76\times 10^{-2})^2\times 66\sin90^{\circ}\\\Rightarrow \tau=1.05\times 10^{-6}\ \text{Nm}](https://tex.z-dn.net/?f=%5Ctau%3DBI_c%5Cpi%20r_c%5E2N%5Csin90%5E%7B%5Ccirc%7D%5C%5C%5CRightarrow%20%5Ctau%3D4.61%5Ctimes%2010%5E%7B-5%7D%5Ctimes%201.9%5Ctimes%20%5Cpi%5Ctimes%20%280.76%5Ctimes%2010%5E%7B-2%7D%29%5E2%5Ctimes%2066%5Csin90%5E%7B%5Ccirc%7D%5C%5C%5CRightarrow%20%5Ctau%3D1.05%5Ctimes%2010%5E%7B-6%7D%5C%20%5Ctext%7BNm%7D)
Magnitude of torque on the coil due to the loop is ![1.05\times 10^{-6}\ \text{Nm}](https://tex.z-dn.net/?f=1.05%5Ctimes%2010%5E%7B-6%7D%5C%20%5Ctext%7BNm%7D)
Answer:
total current =0.06A
Explanation:
The total resistance of Resistors connected in series is given as
Rs = R1 + R2 + R3....
Here, we have that two resistors are connected in series
therefore,
Rs = 100 + 100 = 200 Ω
But current according to ohm's law is given as
I= V/R
where I= current in ampere, A
V= Voltage in volts, V and
R= Resistance, in ohms,Ω
therefore,
I= V/Rs
I = 12/ 200 = 0.06 A