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The thermistors are usually made of...

The thermistors are usually made of

A

Metals with low temperature coefficient of resistivity

B

Metals with high temperature coefficent of resistivity

C

metal oxides with high temperature coefficient of resistivity

D

Semiconducting meterials having low temperature coefficient of resistivity

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-CURRENT ELECTRICITY-EXERCISE -3 SECTION -B (PREVIOUS YEAR PROBLEMS JEE MAIN)
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  2. An electric current is passed through a circuit containing two wires o...

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  3. The thermistors are usually made of

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  4. Time taken by a 836 W heater to heat one litre of water from 10^@C to ...

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  5. A moving coil galvanometer has 150 equal divisions. Its current sensit...

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  6. For the circuit, the galvanometer G shows zero deflection. If the batt...

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  7. Two sources of equal emf are connected to an external resistance R. Th...

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  8. An energy source will supply a constant current into the load if its i...

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  9. A material 'B' has twice the specific resistance of 'A'. A circular wi...

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  10. The Kirchhoff's first law (Sigmai = 0) and second law (SigmaiR = Sigma...

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  11. The current I drawn from the 5 volt source will be

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  12. In a Wheatstone's bridge, three resistances P,Q and R connected in the...

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  13. An electric bulb is rated 220 volt - 100 watt. The power consumed by i...

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  14. The resistance of a wire is 5 ohm at 50^@C and 6 ohm at 100^@C. The re...

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  15. A 5V battery with internal resistance 2Omega and a 2V battery with int...

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  16. Consider a block of conducting material of resistivity 'rho' shown in ...

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  17. Consider a block of conducting material of resistivity 'rho' shown in ...

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  18. Statement-1: The temperature dependence of resistance is usually given...

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  19. Two conductors have the same resistance at 0^@C but their temperature ...

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  20. If a copper wire is stretched to make it 0.1% longer wha is the percen...

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