When \(10^{19}\) electrons are removed from a neutral metal plate, the electric charge on it is? 
1. \(-1.6~\text{C}\)
2. \(+1.6~\text{C}\)
3. \(10^{19}~\text{C}\)
4. \(10^{-19}~\text{C}\)

Subtopic:  Electric Charge |
 71%
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The charge on \(500~\text{cc}\) of water due to protons will be: 

1. \(6.0\times 10^{27}~\text{C}\) 2. \(2.67\times 10^{7}~\text{C}\)
3. \(6\times 10^{23}~\text{C}\) 4. \(1.67\times 10^{23}~\text{C}\)
Subtopic:  Electric Charge |
 59%
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A polythene piece rubbed with wool is found to have a negative charge of \(3 \times10^{-7}~\text{C}\). Transfer of mass from wool to polythene is:
1. \(0.7\times10^{-18}~\text{kg}\)
2. \(1.7\times10^{-17}~\text{kg}\)
3. \(0.7\times10^{-17}~\text{kg}\)
4. \(1.7\times10^{-18}~\text{kg}\)

Subtopic:  Electric Charge |
 60%
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If \(10^9\) electrons move out of a body to another body every second, how much time approximately is required to get a total charge of \(1\)on the other body?
1. \(200\) years
2. \(100\) years
3. \(150\) years
4. \(250\) years

Subtopic:  Electric Charge |
 57%
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