A solenoid hope this is right
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Yes, that statement is loaded with veracity, and is true as well. Did you have a question to ask ?
Answer:
(a) 
(B) 
Explanation:
We have given the the speed of the electron =10^6 m/sec
The time period of the electron is given by 
where r is the Bohr radius, which is equal to 
So time period 
(A) We know that current 
(B) Magnetic moment is given by 
, where I is current and A is area
So 
Answer:
S=
2
1
gt
2
........(1)
And that of the other stone is
S=u(t−n)+
2
1
[g(t−n)
2
]........(2)
Since both the stones meet at the distance so equation (1)and equation(2) will be equal
2
1
gt
2
=u(t−n)+
2
1
[g(t−n)
2
]
gt
2
=2ut−2un+gt
2
+gn
2
−2gnt
t(2gn−2u)=gn
2
−2un
t=
(gn−u)
n(
2
gn
−u)
now putting value of t in equation(1)
s=
2
g
⎣
⎢
⎡
gn−u
2
[n(
2
gn
−u)]
⎦
⎥
⎤
2
S=
2
g
⎣
⎢
⎡
(gn−u)
2
n(
2
gn
−u)
⎦
⎥
⎤
Explanation:
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