We can charge a metal sphere positively without touching it by:

1. Conduction

2. Induction

3. Friction

4. Both (1) and (2)

Subtopic:  Electric Charge |
 69%
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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 |
 56%
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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%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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