Wave Talkers Amateur Extra Exam Prep: E4 Questions

E4B02:

What is the significance of voltmeter sensitivity expressed in ohms per volt?

The full scale reading of the voltmeter multiplied by its ohms per volt rating will indicate the input impedance of the voltmeter
When used as a galvanometer, the reading in volts multiplied by the ohms per volt rating will determine the power drawn by the device under test
When used as an ohmmeter, the reading in ohms divided by the ohms per volt rating will determine the voltage applied to the circuit
When used as an ammeter, the full scale reading in amps divided by ohms per volt rating will determine the size of shunt needed

E4B01 E4B02 E4B03 E4B04 E4B05 E4B06 E4B07 E4B08 E4B09 E4B10 E4B11