Answer:
a)
m/s
b)
Angular frequency = 
Explanation:
As we know
q is the charge on the electron = 
C
B is the magnetic field in Tesla = 
T
r is the radius of the circle = 
m
mass of the electrons = 
Kg
a)
Substituting the given values in above equation, we get -
m/s
b)
Angular frequency =
Answer:
The dimension is 
Explanation:
From the question we are told that
Here ![[J] = \frac{1}{L^2 T}](https://tex.z-dn.net/?f=%5BJ%5D%20%3D%20%5Cfrac%7B1%7D%7BL%5E2%20T%7D)
![[n] =\frac{1}{L^3}](https://tex.z-dn.net/?f=%5Bn%5D%20%3D%5Cfrac%7B1%7D%7BL%5E3%7D)
![[x] = L](https://tex.z-dn.net/?f=%5Bx%5D%20%3D%20L)
So
![\frac{1}{L^2 T} = -D \frac{d(\frac{1}{L^3})}{d[L]}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7BL%5E2%20T%7D%20%3D%20%20-D%20%5Cfrac%7Bd%28%5Cfrac%7B1%7D%7BL%5E3%7D%29%7D%7Bd%5BL%5D%7D)
Given that the dimension represent the unites of n and x then the differential will not effect on them
So
![\frac{1}{L^2 T} = -D \frac{(\frac{1}{L^3})}{[L]}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7BL%5E2%20T%7D%20%3D%20%20-D%20%5Cfrac%7B%28%5Cfrac%7B1%7D%7BL%5E3%7D%29%7D%7B%5BL%5D%7D)
=> 
=>
Answer: mutation
explanation: no other species of its kind will have this mutation
B is the correct answer, since all others are not true or are based on assumption
Answer:
Explanation:
The charge on 10μF capacitor = 10 x 12 x 10⁻⁶ = 120 μC
when it is connected with 20μF capacitor both acquires common potential whose value is
= 120 x 10⁻⁶ /( 10 +20) x 10⁻⁶ = 4 V.
Energy stored in 20μF capacitor =1/2 x 20 x 10⁻⁶ x 4 x 4 = 160 x 10⁻⁶ J.
