Question

一小电动机在6V的电压下，电流在1min内做功180J，通过电动机的电流是 ______A．

Answer 1

t=1min=60s，
∵W=UIt，
∴I=

W

Ut

=

180J

6V×60s

=0.5A．
故答案为：0.5．