Q10 Suppose a long wire solid metal cylindrical rod of radius a is surrounded by a thin cylindrical metal shell of radius b (see Fig. E3). The inner cylinder carries positive charge per unit length +A and the outer shell carries a negative charge per unit length -A. Calculate the electric field and the electric potential at the region a ≤ r≤ b. E E= 0 & V= 0 - & V = 2πE¸r i) ii) iii) E = V (iv) None of the other mentioned options - In (²) 2πε,
Q10 Suppose a long wire solid metal cylindrical rod of radius a is surrounded by a thin cylindrical metal shell of radius b (see Fig. E3). The inner cylinder carries positive charge per unit length +A and the outer shell carries a negative charge per unit length -A. Calculate the electric field and the electric potential at the region a ≤ r≤ b. E E= 0 & V= 0 - & V = 2πE¸r i) ii) iii) E = V (iv) None of the other mentioned options - In (²) 2πε,
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Transcribed Image Text:Q10 Suppose a long wire solid metal cylindrical rod of radius a is surrounded by a thin cylindrical
metal shell of radius b (see Fig. E3). The inner cylinder carries positive charge per unit length + and
the outer shell carries a negative charge per unit length -A. Calculate the electric field and the electric
potential at the region a ≤rs b.
Ē =
- ^ & V = ₁²/_ In (²)
Σπε
i)
2πEr
ii)
E= 0 & V=0
iii)
E = V
iv) None of the other mentioned options
Fig. E3
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