The unit of _____________ is the volt.
A: current
B: voltage
C: resistance
D: efficiency
A: current
B: voltage
C: resistance
D: efficiency
举一反三
- 2.Whichoftheelectricalpropertieslistedwillalwaysbethesameforeachcomponentinaparallelcircuit A: Impedance B: Current C: Resistance D: Voltage
- 1.Inaseriescircuit,whichvaluewillremainunchangedatallplacesinthecircuit. A: Voltage B: Current C: Resistance D: Inductance
- The resistance value is infinite, the current passing through the resistance is always zero, and the voltage depends on the external circuit, then it is called as the short circuit state.
- When replacing a power supply， what MUST the technician observe？（） A: voltage B: current C: wattage D: resistance
- Digital multi-meter cannot measure ( ) when the measured circuit is working. A: voltage B: current C: resistance D: None of the above