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In a platinum resistance thermometer res...

In a platinum resistance thermometer resitance of the platinum wire at `0^(@)C, 100^(@) C ` and in hot bath are `8 Omega , 12 Omega ` and `11 Omega ` respectively. Temperature of hot bath is

A

`15^(@)C`

B

` 175^(@)C`

C

` 60^(@)C`

D

` 75^(@)C`

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AAKASH INSTITUTE-CURRENT ELECTRICITY-ASSIGNMENT(SECTION-A(OBJECTIVE TYPE QUESTIONS))
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  3. In a platinum resistance thermometer resitance of the platinum wire at...

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  4. Coefficient of linear expansion of material of resistor is alph. Its t...

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  5. Which of the following has negative temperature coefficient of resista...

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  7. Two electric bulbs whose resistances are in the ratio of 1:2 are conne...

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  8. If two bulbs of power 60 W and 100 W respectively each rated 110 V...

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  9. Three bulbs B(1),B(2) and B(3) of equal resistance are connected as sh...

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  10. In a house, individual power of two elements are 10OW and 150 W . Effe...

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  11. How many 60 W bulbs may be safely run on 220 v using a 5 A fuse?

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  12. A cell of emf 16V and internal resistant 4 Omega can deliver maximum ...

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  13. A battery delivers equal power individually across 4 Omega and 16 Ome...

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  14. A heater boils certain amount of water in 15 minutes. Another heater b...

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  15. Minimum resistance obtained from two resistors 3Omega and 2 Omega is

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  16. A uniform wire os resistance 12 Omega is bent to form a circle. Effec...

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  17. A wire of resistance R is cut into ‘ n ’ equal parts. These parts are ...

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  18. Potential difference across AB in the circuit as shown in figure.

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  19. Potential difference across AB in the network shown is

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  20. emf of a chemical cell depends on

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