When $1.0 - \mu \mathrm { C }$ Point Charge Is $15 \mathrm {~m}$

question 23

Multiple Choice

When $1.0 - \mu \mathrm { C }$ point charge is $15 \mathrm {~m}$ from a second point charge, the force each one experiences a force of $1.0 \mu \mathrm { N }$ . What is the magnitude of the second charge? $\left( k = 1 / 4 \pi \varepsilon _ { 0 } = 9.0 \times 10 ^ { 9 } \mathrm {~N} \cdot \mathrm { m } ^ { 2 } / \mathrm { C } ^ { 2 } \right)$

• A) \(10 \mathrm { nC }\)
• B) \(25 \mathrm { nC }\)
• C) \(1.0 \mathrm { C }\)
• D) \(0.025 \mathrm { C }\)
• E) \(25 \mathrm { C }\)

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