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A carbon resistor has three colours red,...

A carbon resistor has three colours red, yellow and blue respectively. What will be the resistance ?

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PUNJAB BOARD PREVIOUS YEAR PAPERS-Electric Current, Resistance and E.M.F. -Exercise
  1. A heater is rated as 220 volts, 880 watts. What is the current drawn b...

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  2. A carbon resistor has three colours yellow, blue and red respectively....

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  3. A carbon resistor has three colours red, yellow and blue respectively....

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  4. Two resistances when connected in series give a total resistance of 18...

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  5. Two resistances are inthe ratio of 1:4.If these are connected in paral...

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  6. Two resistances when connected in series give a resistance of 9Q and w...

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  7. How will you represent aresistance of 3700 Omega +- 10% by colour codi...

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  8. Calculate the resistivity of the material of wire 1.0 m (meter) long 0...

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  9. A wire of length15m (meter) and uniform area of cross section 6.0 xx 1...

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  10. A wire of length 2.0 m, diameter 1.0 mm has 50 xx 10^-3 Omega (ohm) re...

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  11. A parallel combination of three resistors takes a current of 5A from a...

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  12. The parallel combination of three resistors takes a current of 7.5A fr...

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  13. A series combination of three resistors takes a current of 2A from a 2...

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  14. A wire has a resistance of 10.5Omega at 21^@C and 16.4Omega at 147^@C....

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  15. A resistance of a tungsten filament at 150^@C is 133Omega.What will be...

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  16. A silver wire has a resistance of 2.1Omega at 27.5^@C and a resistance...

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  17. Three identical cells of emf 4V each and unknown internal resistances ...

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  18. If maximum resistance from the combination of two resistances is 18 oh...

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  19. A wire with an area of cross-section as 10 mm^2 has a resistance of 5O...

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  20. A wire with an area of cross-section as 1 mm2 has a resistance of 10Q,...

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