With no load on a circuit, I measure approx 15volts
25453
Why am I measuring 16 volts on a wire that should be at 0 volts?
71694
How to calulate mosfet response time with load?
44503
My scope detects a 50Hz signal when the probe is not connected to a circuit, is this normal?
95875
Why does DMM show AC and DC current when source is a battery? (How to calculate power in this case?)
141585
What is the correct shunt size for the following ammeter and configuration?
37578
How to measure voltage of a floating GPIO (Raspberry Pi)
88722
How to tell if mains voltage is on with microcontroller?
145546
Resistor wattage measurement
88894
Why does a 12V 2A adapter measure only 0.358A on a multimeter?
69035
Determining current in a branch having no resistor
134144
On No-Load Current of a Transformer
88908
Why does my multimeter show a wrong voltage over a large resistor?
150562
My 18V 10 watt solar panel
116907
Why doesn't a short-circuit immediate consume all voltage?
92911
Unexpected voltage with switch turned off
151056
What does the moving iron voltmeter measure in a circuit, average voltage or RMS voltage?
16248
How much voltage/current is "dangerous"?