The electric potential in the xy-plane in a certain region ofspace is give by V (x, y) = C(6x²y – 2y³), where x and y are in meters and V is in volts and C is a constant. What is the magnitude of the y-component ofthe electric field at the point (–1, 2) ? (a) 0 V/m (b) 18C V/m (c) 24C V/m (d) 30C V/m [H.C.U.-2011]

Physics for Scientists and Engineers: Foundations and Connections
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Author:Katz, Debora M.
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Chapter26: Electric Potential
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The electric potential in the xy-plane in a certain region ofspace is give by V (x, y) = C(6x²y – 2y³), where
x and y are in meters and V is in volts and C is a constant. What is the magnitude of the y-component ofthe
electric field at the point (–1, 2) ?
(a) 0 V/m
(b) 18C V/m
(c) 24C V/m
(d) 30C V/m [H.C.U.-2011]
Transcribed Image Text:The electric potential in the xy-plane in a certain region ofspace is give by V (x, y) = C(6x²y – 2y³), where x and y are in meters and V is in volts and C is a constant. What is the magnitude of the y-component ofthe electric field at the point (–1, 2) ? (a) 0 V/m (b) 18C V/m (c) 24C V/m (d) 30C V/m [H.C.U.-2011]
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