单项选择题
A.The total current flow equals the sum of the individual currents
B.The total current flow equals the reciprocal of the sum of the individual currents
C.The total resistance equals the sum of the individual resistance
D.The total voltage equals the sum of the individual voltages across each resistance
单项选择题 Which of the listed items will stop a motor due to a reduction in voltage and restart it when the voltage is restored to normal?（）
单项选择题 Which of the following statements concerning a simple parallel resistance circuit is correct?（）
单项选择题 A ground in an electrical circuit outside the engine room （）.