The electric field at any point between inner and outer cylinder is :
A
λ2πε0r radially outerward
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
λ2πε0r radially inward
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
λ2πε0r co-axially
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
none of these
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is Aλ2πε0r radially outerward Using gauss law ∮E⋅ds=qinε0; total charge on inside cylinder qin=λl E(2πrl)=λlε0 or electric field at any point between inner and outer cylinder E=λ2πε0r