問答題
一平板電容器有兩層介質(zhì),極板面積為25m2,一層電介質(zhì)厚度d1=0.5cm,電導(dǎo)率γ1=10-10S/m,相對(duì)介電常數(shù)εr1=7,另一層電介質(zhì)厚度d2=1cm,電導(dǎo)率γ2=10-15S/m。相對(duì)介電常數(shù)εr2=4,當(dāng)電容器加有電壓1000V時(shí),求
一平板電容器有兩層介質(zhì),極板面積為25m2,一層電介質(zhì)厚度d1=0.5cm,電導(dǎo)率γ1=10-10S/m,相對(duì)介電常數(shù)εr1=7,另一層電介質(zhì)厚度d2=1cm,電導(dǎo)率γ2=10-15S/m。相對(duì)介電常數(shù)εr2=4,當(dāng)電容器加有電壓1000V時(shí),求