高中物理導(dǎo)體棒問(wèn)題匯總

1、導(dǎo)體棒問(wèn)題匯總孫吉聰一、單棒問(wèn)題二、含容式單棒問(wèn)題三、無(wú)外力雙棒問(wèn)題四、有外力雙棒問(wèn)題阻尼式單棒 v v0 0 2 2BB l vFBIlRr2 2()BFB l vamm Rr v v0 0 2 2()BFB l vamm Rr20102mvQ00BIltmv 0mvqBlBlsqnRrRrRrQRQr阻尼式單棒發(fā)電式單棒 F F BFFmgam BFBIlBlvBlRr2 2B l vRrv2 2()FB l vgmm Rr F F mFmgam2 2()()mFmgRrvB l BFFmgam 2 20()FB l vgmm Rr 發(fā)電式單棒BlsqnRrRr F F 0mFtBLqmg

2、tmv212EmFsQmgSmvBFFmgam2()mmmBLvFvmgvRr220()FB l vgmm Rr 發(fā)電式單棒 FB F F F N M 發(fā)電式單棒電容放電式：電容放電式：0QCEmQCUCBlv0mQQQCECBlvmmvBIltBl Q 2 2mBlCEvmB l C電容放電式：22mmBlCEImvmB l C安222 21()22()mm BlCEWmvmB l C安電容放電式：電容無(wú)外力充電式 v v0 0 CBlvUIR電容無(wú)外力充電式 v v0 0 qCUUBlv0mvmvBIltBlq 2 20B l Cvvm無(wú)外力等距雙棒 v v0 0 1 1 2 2 2121

3、1212BlvBlvBl( vv )IRRRR012mBlvIRR無(wú)外力等距雙棒 v v0 0 1 1 2 2 222112BB l ( vv )FBIlRR無(wú)外力等距雙棒 v v0 0 1 1 2 2 2012m v( mm )v共21222011m v(mm )vQ22共1122QRQR無(wú)外力等距雙棒 v v0 0 1 1 2 2 v v2 2 1 1 2 2 v v1 1 無(wú)外力不等距雙棒212211RRvBlvBlI無(wú)外力不等距雙棒1122Bl vBl v無(wú)外力不等距雙棒121122FBIllFBIll112212IFlIFl11 01 1Imvmv2220Im v1122Bl vBl v21 2221 22 110mlvvmlm l1 2 1221 22 120ml lvvmlm l無(wú)外力不等距雙棒1122QRQR222101122111222m vm vm vQ2202Bl qm v無(wú)外力不等距雙棒有外力等距雙棒1221BlvBlvIRRBFBIl11BFam22BFFam有外力等距雙棒12F( mm )a1BFm aBFBIl2112Bl(vv )IRR121212 212(RR )m FvvB l (mm )有外力等距雙棒 B 電動(dòng)式單棒電容有外力充電式BFBIlBFFamQC ECBl vICBlattt電容有外力充電式22mgamC