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Q. No.Which of the following is not the property of electric charge?
| 1. | Charge on any body is quantised. |
| 2. | Charge on any isolated system remains conserved. |
| 3. | Unlike mass, the charge is non-relativistic. |
| 4. | Unlike charged bodies always repel each other. |
Subtopic: Electric Charge |
84%
From NCERT
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Given below are four statements:
| (a) | The total charge of the universe is constant. |
| (b) | The total positive charge of the universe is constant. |
| (c) | The total negative charge of the universe is constant. |
| (d) | The total number of charged particles in the universe is constant. |
Choose the correct option:
| 1. | (a) only | 2. | (b), (c) |
| 3. | (c), (d) | 4. | (a), (d) |
Subtopic: Electric Charge |
65%
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In an experiment, two bodies are rubbed against each other, resulting in each body acquiring a charge of \(1~\text{C}.\) How many electrons are transferred from one body to the other during the rubbing process?
| 1. | \(6.25\times10^{20}\) | 2. | \(1.6\times10^{19}\) |
| 3. | \(6.25\times10^{18}\) | 4. | \(1.6\times10^{-19}\) |
Subtopic: Electric Charge |
78%
From NCERT
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A metal cube of a side \(5~\text{cm},\) is charged with \(6~\text{μC.}\) The surface charge density on the cube, is:
| 1. | \(0.125\times10^{-3}~\text{C m}^{-2}\) | 2. | \(0.25\times10^{-3}~\text{C m}^{-2}\) |
| 3. | \(4\times10^{-3}~\text{C m}^{-2}\) | 4. | \(0.4\times10^{-3}~\text{C m}^{-2}\) |
Subtopic: Electric Charge |
53%
From NCERT
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The amount of positive and negative charges in a cup of water (\(250\) g) are respectively:
| 1. | \(1.6 \times10^9\) C, \(1.4 \times10^9\) C |
| 2. | \(1.4 \times10^9\) C, \(1.6 \times10^9\) C |
| 3. | \(1.34 \times10^7\) C, \(1.34 \times10^7\) C |
| 4. | \(1.6 \times10^8\) C, \(1.6 \times10^7\) C |
Subtopic: Electric Charge |
69%
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Q. No.
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