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Questions and Answers
How is charge (Q) measured on ions?
How is charge (Q) measured on ions?
- By the excess or deficit of electrons (correct)
- By the mass of the ion
- By the number of neutrons
- By the number of protons
What is the unit of charge?
What is the unit of charge?
- Ampere second
- Ohm
- Electron volt
- Coulomb (correct)
What happens to an object when it is negatively charged?
What happens to an object when it is negatively charged?
- Neutrons are removed making the object neutron deficient
- Electrons are removed making the object electron deficient
- Protons are added giving the object an excess of protons
- Electrons are added giving the object an excess of electrons (correct)
What does the equation Q=It represent?
What does the equation Q=It represent?
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What is the definition of one coulomb?
What is the definition of one coulomb?
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Study Notes
Measuring Charge
- Charge (Q) on ions is measured by the amount of excess or deficit electrons they possess.
- The unit of charge is the Coulomb (C).
Charging Objects
- When an object is negatively charged, it gains one or more excess electrons, resulting in a net negative charge.
Electric Charge Equation
- The equation Q = It represents the relationship between electric charge (Q), current (I), and time (t).
- Q is the total charge, I is the current flowing, and t is the time over which the current flows.
Definition of Coulomb
- One Coulomb (C) is defined as the quantity of electric charge that flows through a cross-sectional area of a wire in one second, when the current is one Ampere (A).
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