What is the maximum equipment needed to determine the power dissipated in a resistor of unknown value?

1) a voltmeter, only
2) An ammeter only,
3) a voltmeter and an ammeter only
4) a voltmeter, an ammeter, and a stopwatch

4 answers

Sorry it is what is the "minimum" not maximum
what is the minimum equipment needed to detemine
3. a voltmeter and an ammeter, only
Avoltmeter only