Two very long L=70m concentric cylindrical shells of radii a=18cm and b=39 cm carry uniform charges Q and -Q as shown in the figure below. If the electric field between the shells is E= 2k은 Lr where Q=0.5µC, determine the potential difference between the shells; V(a)-V(b)=? Express your answer in units of Volts using zero decimal places. Please do not forget a minus sign if your answer is negative. Take the value of Coulomb constant as k=9x10° N.m²;c?. Hint: here the unit vector r is radially outward.
Two very long L=70m concentric cylindrical shells of radii a=18cm and b=39 cm carry uniform charges Q and -Q as shown in the figure below. If the electric field between the shells is E= 2k은 Lr where Q=0.5µC, determine the potential difference between the shells; V(a)-V(b)=? Express your answer in units of Volts using zero decimal places. Please do not forget a minus sign if your answer is negative. Take the value of Coulomb constant as k=9x10° N.m²;c?. Hint: here the unit vector r is radially outward.
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Transcribed Image Text:Two very long L=70m concentric cylindrical shells of radii a=18cm and b=39 cm carry uniform charges Q and -Q as shown in the figure below. If
the electric field between the shells is
= 2k2
Lr
where Q=0.5µC, determine the potential difference between the shells; V(a)-V(b)=? Express your answer in units of Volts using zero decimal
places. Please do not forget a minus sign if your answer is negative. Take the value of Coulomb constant as k=9x10° N.m²/c?. Hint: here the unit vector r is
radially outward.
b
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