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explain pg 164 question 27(IN CONCISE) |
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asked by Surya Kumar (surya30) 7 years ago |
2 |
Why is it necessary to have an earth wire installed in a power circuit,but not in a ligthning circuit? |
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asked by Utkarsh Sharma (utkarsh3107) 7 years ago |
1 |
+ 1 more questions by utkarsh3107
If we assume that the earth pin of plug would not be thicker than the two,and we would insert it in live wire socket,what would happen? |
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asked by Utkarsh Sharma (utkarsh3107) 7 years ago |
2 |
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State the condition when the magnitude of force on a current carrying conductor placed in a magnetic field is:
i) zero
ii) maximum. |
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asked by Ansh Thamke (ansh_cr7) 7 years ago |
3 |
Do we have power of lens? |
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asked by Eliz (eliz1995) 7 years ago |
2 |
What happens to the resistance when the length of the wire is doubled and area is halved? |
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asked by (heisenberg69) 7 years ago |
3 |
Two metal wires of same material and lengths have radii 1mm and 2mm.
Find the ratio of their resistances. |
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asked by SayWhatBbg (eleanor25) 7 years ago |
2 |
how to find weight of the ruler |
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asked by Preetham (preetham21) 7 years ago |
3 |
I'm not able to understand the 14th question in examples before the exercise 12 (B) of thermionic emission and radioactivity. |
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asked by Shivaanee sharma (shivaanee22) 7 years ago |
1 |
The hammer of an electric strikes 1440 times in a minute and does a work of 0.2J per strike. What is the power of hammer in SI system |
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asked by Navami S (resee) 7 years ago |
3 |