High value resistor, Physics

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These resistors are usually of carbon composition, carbon film on a ceramic rod and sealed in evacuated glass tube. End connections are made up of copper clad nickel-iron alloy.

SPECIFICATIONS

Range of values                                                                    107 to 1013 ohms

Temperature coefficient                                                          0.05 to 0.25%/0C

APPLICATIONS: These are useful in measuring instruments for atomic energy where small currents are to be detected. 


 

 

 


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