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If a logic gate has both inputs at logic...

If a logic gate has both inputs at logic level 1 and output at logic level 0, then it is a

A

NOT gate

B

NAND gate

C

AND gate

D

OR gate

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2007-PHYSICS
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  2. When a minute quantity of phosphorus is added to a silicon crystal the...

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  4. When a wave travelling from one medium is refracted into other medium,...

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  5. An example of a rechargeable cell is

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  6. The output form of a full wave rectifier with a L-C filter is

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  7. In the circuit shown above the current through the 15 Omega resistance...

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  8. Pitch of a screw gauze instrument is 0.5 mm and its circular scale is ...

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  9. A sealed spherical ball half filled with a volatile liquid is used as ...

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  10. Four capacitors of equal capacitance have a net capacitance C(1) when ...

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  11. Two conherent monochromatic lights make constructive interference when...

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  12. Five metallic rods of same length and same material are connected as s...

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  13. A beam of charged particles, having been accelerated by a voltage V, h...

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  14. A coil having n number of turns and area A is placed in a magnetic fie...

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  15. An ideal gas undergoing adiabatic expansion obeys the relations

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  16. A man weighing 90 kg acquires 10^(5) cal of heat from food. The height...

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  17. Which of the following devices is used for detecting thermal radiation...

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