有两个正弦电压:U<SUB>1</SUB>=100sin(314t+120°)V,U<SUB>2</SUB>=50sin(314t-90°)V,则U<SUB>1</SUB>与U<SUB>2</SUB>的相位差Ψ=(_),U<SUB>1</SUB>(_)U<SUB>2</SUB>
有两个正弦电压:U<SUB>1</SUB>=100sin(314t+120°)V,U<SUB>2</SUB>=50sin(314t-90°)V,则U<SUB>1</SUB>与U<SUB>2</SUB>的相位差Ψ=(_),U<SUB>1</SUB>(_)U<SUB>2</SUB>
发布时间:2024-09-19 06:23:34