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Three resistors 1 Omega, 2 Omega and 4 O...

Three resistors `1 Omega, 2 Omega and 4 Omega` are combined in series. What Is the total resistance of the combination ?

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Equivalent resistance of series connection of given resistors,
`R_(s) = R_(1) + R_(2) + R_(3) `
` = 1 + 2 + 3 `
`therefore R_(s) = 6 Omega`
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KUMAR PRAKASHAN-CURRENT ELECTRICITY-SECTION [B] (NUMERICAL FROM TEXTUAL EXERCISE)
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  2. A bettery of emf 10 V and internal resistacne 3 Omega is connected to ...

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  3. Three resistors 1 Omega, 2 Omega and 4 Omega are combined in series. W...

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  4. (a) Three resistor 1Omega ,2Omega, and 3Omega are combined in series. ...

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  5. Three resistor 2 Omega , 4 Omega and 6 Omega are combined In parallel....

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  6. (a) Three resistors 2 Omega 4 Omega and 5 Omega are combined in parall...

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  8. A negligibly small current is passed through a wire of length 20 m and...

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  9. A silver wire has a resistance of 2.1 Omega at 27.5^(@) C and a resist...

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  10. An electric toaster uses nichrome for its heating element. When a negl...

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  11. Determine the current in each branch of the given network.

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  14. What happens if the galvanometer and cell are interchanged at the bala...

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  15. A storage battery of emf 8.0 V and internal resistance 0.5 Omega is b...

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  16. In a potentiometer arrangement, a cell of emf 1.25 V gives a balance p...

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  17. The number density of free electrons in a copper conductor estimated ...

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  18. The earth's surface has a negative surface charge density of 10^(-9)C ...

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  19. (a) Six lead-acid type of secondary cells each of emf 2.0 V and intern...

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  20. Two wires of equal length, one of aluminium and the other of copper ha...

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