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Questions tagged 'Charge'

5 questions

K
Kameron Wyman

Feb 04, 2025

If an ion has 13 protons and 10 electrons what is the charge on the ion?

If an ion has 13 protons and 10 electrons, what is the charge on the ion? The notation Al³⁺ represents an aluminum ion with a charge of +3. An aluminum atom typically contains 13 protons and 13 elect...

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Anonymous

Jan 29, 2025

It takes 2.5μJ of work to move a 16nC charge from point A to B. It takes -5.5μJ of work to move the charge from C to B.?

It requires 2.5 μJ of work to move a 16 nC charge from point A to point B. Additionally, it takes -5.5 μJ of work to move the same charge from point C to point B. Could someone explain what these valu...

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Anonymous

Jan 06, 2025

low-flow pipe..Physics question…please help!!!?

An aluminum "12-gauge" wire has a diameter (d = 0.205 \, \text{cm}). The resistivity (\rho) of aluminum is (2.75 \times 10^{-8} \, \Omega \cdot \text{m}). The electric field in the wire varies with ti...

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Anonymous

Jan 04, 2025

What fraction of its electrons have been removed?

A copper ball with a diameter of 2.20 mm is charged to +90.0 nC. What fraction of its electrons have been removed? I have attempted to answer this question four times, but I have not been able to arri...

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Anonymous

Dec 13, 2024

How many electrons make up a charge of -65.0 µC?

How many electrons are required to create a charge of -65.0 µC?