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Give reason for the Why ie lead-tin a...

Give reason for the
Why ie lead-tin alloy used for fuse wires ?

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Low melting point.
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OSWAAL PUBLICATION-ELECTRICITY-TOPIC-2 ( Short Answer Type Questions -II )
  1. Give reason for the following : Why are copper and aluminium wires u...

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  2. Explain the following Why is tungsten used almost exclusively for fi...

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  3. Give reason for the Why ie lead-tin alloy used for fuse wires ?

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  4. V-1 graph for a conductor is as shown in figure. (i) What do yo...

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  5. Show four different ways in which three resistors of Rohm each may be ...

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  6. Can you run electric geysor with power rating 2 kW, 220 V on a 5 A lin...

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  7. a] Derive an expression for the equivalent resistance of three resisto...

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  8. Electrical reslstivities of some substances, In ohm- meter, at 20^(@) ...

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  9. Electrical reslstivities of some substances, In ohm- meter, at 20^(@) ...

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  10. Electrical reslstivities of some substances, In ohm- meter, at 20^(@) ...

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  11. In the above circuit, connect a nichrome wire of length ' between poin...

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  12. What is meant by saying that the potential difference between two poin...

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  13. Two devices of ratings 44W, 200V and 11W, 220V are connected in series...

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  14. Obtain an expression for equivalent resistance of two resistors connec...

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  15. Semi-conductors are certain type, of metals which allow only partial c...

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  16. A bulb is rated at 200V -40W. What is its resistantt ? 5 such bulbs ar...

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  17. Three resistors of 10 Omega, 15 Omega and 20 Omega are connected in s...

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  18. A circuit has a line of 5 A. How many lamps of rating 40W, 200V can si...

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  19. Calculate the resistance of a 1 Km long copper wire of area of cross s...

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  20. Study the following electric circuit and calculate the energy drawn fr...

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