A battery pack contains many batteries, wired in series to create hundreds volts.（ ）
对
举一反三
- When the engine, generator and battery work together to supply right amount of electric power to the electric motor, or the engine and the generator charge the battery pack, it operates in series mode．
- 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
- battery pack ______
- Battery and mobile pack charger are allowed in the .
- Battery and mobile pack charger are allowed in the checked luggage
内容
- 0
Are the battery and the mobile pack charger allowed in the checked luggage?
- 1
The power supply system contains battery and alternator．
- 2
It uses a large battery pack to store the electricity that powers the electric motor to move the car．
- 3
Nowadays, the electric motor, generator and battery pack all work together in a car on behalf of the hybrid concept．
- 4
_____ students will take part in the school sports meeting. A: Many hundreds B: Many hundred C: Several hundreds D: Several hundred