A point charge has a charge of 2.40×10 11 C . Take the potential to be zero at a

Question

A point charge has a charge of 2.40×1011 C . Take the potential to be zero at an infinite distance from the charge.

Part A

At what distance from the point charge is the electric potential 80.0 V ?

SubmitMy AnswersGive Up

Part B

At what distance from the point charge is the electric potential 35.0 V ?

A point charge has a charge of 2.40×1011 C . Take the potential to be zero at an infinite distance from the charge.

Part A

At what distance from the point charge is the electric potential 80.0 V ?

SubmitMy AnswersGive Up

Part B

At what distance from the point charge is the electric potential 35.0 V ?

Explanation / Answer

Part A)

Apply V = kq/r

80 = (9*10^9)(2.4*10^-11)/r

r = .0027 m or 2.7 mm

Part B)

Apply V = kq/r

35 = (9*10^9)(2.4*10^-11)/r

r = .00617 m or 6.17 mm

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.