[FesZ] shows how many meters measure voltage across a known resistor and the unknown so that a precision voltage or current source isn’t necessary. But there are a number of problems with this ...

The simplest way to measure high voltage is by spark length ... meter’s impedance of 10MΩ (R3) and the resistor that the meter is measuring across, also 10MΩ (R2). It can be done without ...

The supply voltage is shared between components in a series circuit, so the sum of the voltages across all of the components in a series circuit is equal to the supply voltage, \({V_s}\).

The resistance of the resistor remains the same. We can calculate the voltage across the thermistor now using the same method. Find the total resistance of the voltage divider.