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A student obtains resistances 3, 4, 12 a...

A student obtains resistances 3, 4, 12 and 16 Ohm using only two metallic resistors either separately or joined together. What is the resistance of each of the resistors?

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MODERN PUBLICATION-CURRENT ELECTRICITY-REVISION EXERCISES (VERY SHORT ANSWER QUESTIONS)
  1. Of metals and alloys, which has greater value of temperature co-effici...

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  2. Plot a graph showing variation of current versus voltage for the mater...

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  3. A student obtains resistances 3, 4, 12 and 16 Ohm using only two metal...

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  4. Two students A and B were asked to pick a resistor of 15 k Omega from ...

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  6. What is the largest voltage you can safely put across a resistor marke...

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  7. Two conductors, one having resistance R and another 3R are connected i...

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  8. Out of the two bubls marked 25W and 100W, which one has the higher res...

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  9. A 150W and a 600W bulbs are joined in parallel to the mains. Out of th...

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  11. The emf of a cell is always greater than its terminal voltage. Why? Gi...

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  13. Given three resistors of resistances 1 Omega, 2Omega and 3Omega. How w...

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  14. The plot of the variation of potential difference across a combination...

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  15. Two cells of emfs epsilon(1)and epsilon(2) and internal resistances ...

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  16. Obtain the condition for bridge balance in Wheatstone's bridge.

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  17. What is the condition for a Wheatstone bridge to be most sensitive?

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  18. What is the principle of working of meterbridge?

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  19. Assertion: A slide wire bridge is also called a metrebridge. Reason...

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  20. What do a voltmeter connected to two terminals of a cell read: the emf...

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