Question: In Lorenz method for absolute measurements of ohm, two measurements are made one with current in one direction and the other with current in the opposite direction. This is done to :
Answer:
MCQ: In Lorenz method for absolute measurements of ohm, two measurements are made one with current in one direction and the other with current in the opposite direction. This is done to :
Correct Answer:
A. eliminate the effect of thermal emfs
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Related Questions
- 1. The international standard of length is defined in terms of :
- 2. The most stable primary atomic standard for frequency is :
- 3. Caseium beam standard is normally used primary atomic standard for frequency because :
- 4. The disadvantage of atomic standards are :
- 5. The maximum current that can be drawn from a saturated Weston Cell without damaging it,is
- 6. The internal resistance of a saturated Weston Cell is of the order of :
- 7. The decrease in the value of emf of an unsaturated Weston Cell is :
- 8. Zener sources when used as voltage standards :
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