At __________________ should exist correct mains voltage.
举一反三
- At __________________ should exist correct mains voltage. A: the transformer B: connecting transformer C: disconnecting transformer D: pre-disconnecting transformer
- At __________________ should exist correct mains voltage. A: the transforme B: connecting transforme C: disconnecting transforme D: pre-disconnecting transforme
- Mains voltage is sufficiently stable for the reactive power and within the range of_______________.
- There are two identical batteries in series, which statement is true?( ) A: The total voltage equals the sum of the voltages of each battery. B: The total voltage equals any battery voltage. C: The total voltage equals half of one battery voltage
- Ohm’s Law states that current equals voltage divided by resistance. Current increases with the increase in voltage. Current decreases with the increase in resistance.