Which of the following is the correct relationship between the voltage of a cell and specific gravity in an open volt test?(a) The voltage of cell=Specific gravity +.840(b) The voltage of cell=Specific gravity -.840(c) Specific gravity =voltage of the cell +12(d) Specific gravity =voltage of the cell -12I got this question in homework.Origin of the question is Battery Testing topic in portion Storage Batteries of Automotive Engine Design

Which of the following is the correct relationship between the voltage

1.	Which of the following is the correct relationship between the voltage of a cell and specific gravity in an open volt test?(a) The voltage of cell=Specific gravity +.840(b) The voltage of cell=Specific gravity -.840(c) Specific gravity =voltage of the cell +12(d) Specific gravity =voltage of the cell -12I got this question in homework.Origin of the question is Battery Testing topic in portion Storage Batteries of Automotive Engine Design
Answer» The CORRECT answer is (a) The voltage of cell=Specific GRAVITY +.840 Best explanation: In an open volt test a change of 0.01 volt of open-circuit voltage is equivalent to a change of 0.010 in the specific gravity of the ELECTROLYTE. The relationship between the open-circuit voltage of a battery and its specific gravity is Voltage of the cell =specific gravity +.840.

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