On the circumference of a circle, a charge with q=-5 C is released at some point A, there's a voltage of Va= -12 V at point A. Then the charge travels 270 degrees along the circumference and arrives at point B where the voltage is Vb= 7 V. The voltage at the centre of the circle is Vo= -1V and the radius of the circle is 10 cm. how much work did the charge do by going from point A to point B? B 270° , A -25 Joules 55 Joules 40 Joules 95 Joules -55 Joules O O O

On the circumference of a circle, a charge with q=-5 C is released at some point A, there's a voltage of Va= -12 V at point A. Then the charge travels 270 degrees along the circumference and arrives at point B where the voltage is Vb= 7 V. The voltage at the centre of the circle is Vo= -1V and the radius of the circle is 10 cm. how much work did the charge do by going from point A to point B? B 270° , A -25 Joules 55 Joules 40 Joules 95 Joules -55 Joules O O O

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter7: Electric Potential

Section: Chapter Questions

Problem 7.3CYU: Check Your Understanding Is the electrical potential energy of two point charges positive or...

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