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Why are the bulbs in Figures B, C and D ...

Why are the bulbs in Figures B, C and D not lighting up?

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Why are the bulbs in figure B, C and D are not lighting up?

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CHETANA PUBLICATION-CURRENT ELECTRICITY-EXERCISE
  1. Why are the bulbs in Figures B, C and D not lighting up?

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  2. Fill in the blanks: 1mA=………..A.

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  3. Fill in the blanks: To increase the effective resistance in a circuit...

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  4. 1 kilowatt hr = …… joules.

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  5. The voltage difference in India between the live and neutral wiresis a...

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  6. Resistivity is the specific property of a………. .

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  7. If a P.D. of 12 V is applied across a 3 omega resistor then the curren...

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  8. In order to measure the electric current flowing through a circuit, we...

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  9. P and Q are two wires of same length and different cross sectional are...

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  10. Following is true for identical bulbs connected in parallel.

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  11. The……..wire is either yellow or green in colour.

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  12. A current flows through a circuit due to the differnce in ………….between...

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  13. ……is the amount of charge flowing throught a particular cross section...

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  14. The flow of…...constitutes the eletric current in a wire

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  15. The conventional direction of flow of current is from……..terminal to …...

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  16. Resistances are connected in …..so as to pass the same current throu...

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  17. To decrease the effective resistance in a circuit, the resistances are...

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  18. 1 muV =….V

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  19. Good conductors contain a large number of …………………

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  20. Electrons flow ………terminal to ………terminal in a conductor when potentia...

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  21. Sneha is getting an electrical shock what will you do the save her lif...

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