试题详情

RL串联交流电路,电压超前电流,其相位差在0与(____)之间。

Aπ$;$-π$;$-π/2$;$π/2

Bπ$;$-π$;$-π/2$;$π/2

Cπ$;$-π$;$-π/2$;$π/2

Dπ$;$-π$;$-π/2$;$π/2