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Questions and Answers
What are the two types of electric charges?
What are the two types of electric charges?
- Positive and Negative (correct)
- Positive and Neutral
- Negative and Neutral
- Positive and Positive
What is the magnitude of charge on both electric charges?
What is the magnitude of charge on both electric charges?
- 1.6X10-19C (correct)
- 1.6X10-20C
- 1.6X10-21C
- 1.6X10-22C
What is the law of conservation of electric charge?
What is the law of conservation of electric charge?
- The algebraic sum of electric charge in an electrically isolated system always remains constant (correct)
- The algebraic sum of electric charge in an electrically isolated system always changes
- The algebraic sum of electric charge in an electrically isolated system always decreases
- The algebraic sum of electric charge in an electrically isolated system always increases
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Study Notes
- Electric charges is the fundamental intrinsic property due to which electric force acts.
- There are two types of electric charges, positive and negative.
- The magnitude of charge on both electric charges is the same 1.6X10-19C.
- The fundamental charge is the charge on the electron or proton denoted by e.
- Quantization of charges: Magnitude of all charges are found to be integral multiple of fundamental charge thus If Q is total charge then Q = ne here n = 1, 2, 3 ,…
- The law of conservation of electric charge state that “The algebraic sum of electric charge in an electrically isolated system always remains constant irrespective of any process taking place.”
- Charge cannot exists without mass though mass can exist without charge.
- Charge is invariant: This means that charge is independent of frame of reference.
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