The radii of two metallic spheres are 5 cm and 10 cm and both carry an equal charge of 75μC. If the two spheres are shorted then the charge will be transferred
25μC from smaller to bigger
25μC from bigger to smaller
50μC from smaller to bigger
50μC from bigger to smaller
A
50μC from smaller to bigger
B
50μC from bigger to smaller
C
25μC from smaller to bigger
D
25μC from bigger to smaller
Open in App
Solution
Verified by Toppr
r1=5cm,r2=10cm, C1=75μC,C2=75μC Due to different radius Potential will be different Let final charge be q1&q2 At equillibrium V1=V2 Kq1r1=Kq2r2 q2=2q1.......(1) And total charge will be 75+75 q1+q2=150.......(2) 2q1+q1=150 q1=50μC,q2=100μC
Was this answer helpful?
9
Similar Questions
Q1
The radii of two metallic spheres are 5 cm and 10 cm and both carry an equal charge of 75μC. If the two spheres are shorted then the charge will be transferred
View Solution
Q2
If two soap bubbles of different radii are connected by a tube,
(a) air flows from bigger bubble to the smaller bubble till the sizes become equal
(b) air flows from bigger bubble to the smaller bubble till the sizes are interchanged
(c) air flows from the smaller bubble to the bigger
(d) there is no flow of air.
View Solution
Q3
Two charges of 6μC and 24 μCare placed 12 cm apart. The intensity of the electric field is zero, at a point
View Solution
Q4
A charge Q is distributed over two concentric hollow spheres of radii r and R(R>r) such that their surface densities are equal. The charge on smaller and bigger shells are :
View Solution
Q5
A small conducting sphere of radius r is lying concentrically with a bigger hollow conducting sphere of radius R. The bigger and smaller spheres are charged with Q and q respectively (Q>q). The two spheres are insulated from one another. The potential difference between the spheres will be :