The maximum mass that this instrument can measure is 3.21KG if the battery's maximum terminal voltage is 175 v.
The terminal voltage is never more than the cell's emf. The current going through the resistors of cell or generator causes a decrease in the potential difference, which is the cause of the problem. E=V+Ir, where I is the current and r is the inductance of the cell, establishes their connection.
The source's potential difference while no current is flowing is known as the electromotive force (emf). The power supply of a device is determined by measuring it across its terminals. V = emf - Ir is used to compute terminal voltage.
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