[单选题]
A DC motor of internal resistance 6.0 W is r7glm)lomda ejmd h0u:)5i,ph7 w nnwfa819 (connectebfh,6o 6hwjpetl:(4 qd to a 24-V power supply. The operating current is 1.0t jqp6 hbl(6f w:ho4,e A. What is the start-up current?
A. $1.0 \; A$
B. $2.0 \; A$
C. $3.0 \; A$
D. $4.0 \; A$
