【单选题】
额定电压为220/110V的单相变压器，低压边漏电抗为0.075<imgalt=""src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191205/20191205095750_736.png"/>，折合到一次侧为：
①
0.075<imgalt=""src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191205/20191205100447_597.png"/>
②
0.15<imgalt=""src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191205/20191205100458_35.png"/>
③
0.3<imgalt=""src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191205/20191205095823_483.png"/>
【简答题】
#include stdio.hint main(){char a[]=I love China!,b[20],*p1,*p2;p1=a;p2=b; for(;*p1!=\0p1++,p2++)*p2=*p1; *p2=\0// printf(string a is:%s\n printf(string b is:%s\n return 0;}以上程序运行结果为string b is:[填空1]。