2.Whichoftheelectricalpropertieslistedwillalwaysbethesameforeachcomponentinaparallelcircuit
A: Impedance
B: Current
C: Resistance
D: Voltage
A: Impedance
B: Current
C: Resistance
D: Voltage
举一反三
- Two electronic devices are connected in series. When the load device wants to get the maximum ( ), the impedance of that is the same as the output impedance of the source (front-stage) device. A: Current B: Voltage C: Resistance D: Electric power
- 1.Inaseriescircuit,whichvaluewillremainunchangedatallplacesinthecircuit. A: Voltage B: Current C: Resistance D: Inductance
- The unit of _____________ is the volt. A: current B: voltage C: resistance D: efficiency
- 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