電磁打點(diǎn)計(jì)時(shí)器課件

物理三高考總習(xí)人教區(qū)新果標(biāo)fccn向第五單元實(shí)驗(yàn):研究勻變速直線運(yùn)動(dòng)第一模塊必修1物理三高考總習(xí)人教區(qū)新果標(biāo)1物理三高考總習(xí)人教區(qū)新果標(biāo)fccn向囗考點(diǎn)要點(diǎn)聚焦實(shí)驗(yàn)?zāi)康?.練習(xí)使用電火花計(jì)時(shí)器或電磁打點(diǎn)計(jì)時(shí)器,利用打上點(diǎn)的紙帶研究物體的運(yùn)動(dòng)情況.2.掌握判斷物體是否做勻變速運(yùn)動(dòng)的方法3.測定勻變速直線運(yùn)動(dòng)的加速度第一模塊必修1物理三高考總習(xí)人教區(qū)新果標(biāo)2物理三高考總習(xí)人教區(qū)新果標(biāo)fccn向二、實(shí)驗(yàn)原理打點(diǎn)計(jì)時(shí)器的使用(1)電磁打點(diǎn)計(jì)時(shí)器:電磁打點(diǎn)計(jì)時(shí)器是一種使用低壓交流電源的儀器,它的工作電壓為4~6V.當(dāng)交流電源的頻率為=50H時(shí),它每隔002s打一次點(diǎn).第一模塊必修1物理三高考總習(xí)人教區(qū)新果標(biāo)3物理三高考總習(xí)人教區(qū)新果標(biāo)fccn向(2)電火花計(jì)時(shí)器:電火花計(jì)時(shí)器是利用火花放電使墨粉在紙帶上打出墨點(diǎn)而顯出點(diǎn)跡的計(jì)時(shí)儀器.當(dāng)電火花計(jì)時(shí)器接通220V交流電源,按下脈沖輸出開關(guān)時(shí),計(jì)時(shí)器發(fā)出的脈沖電流經(jīng)接正極的放電針、接負(fù)極的紙盤軸(墨粉紙盤),產(chǎn)生火花放電,于是在運(yùn)動(dòng)的紙帶上打出一列點(diǎn)跡,當(dāng)電源頻率為50Hz時(shí),它的脈沖放電周期也是002s,即每隔0.02s打一個(gè)點(diǎn)第一模塊必修1物理三高考總習(xí)人教區(qū)新果標(biāo)4電磁打點(diǎn)計(jì)時(shí)器課件5物理三高考總習(xí)人教區(qū)新果標(biāo)fccn向電源插頭紙帶圖1第一模塊必修1物理三高考總習(xí)人教區(qū)新果標(biāo)6電磁打點(diǎn)計(jì)時(shí)器課件7電磁打點(diǎn)計(jì)時(shí)器課件8電磁打點(diǎn)計(jì)時(shí)器課件9電磁打點(diǎn)計(jì)時(shí)器課件10電磁打點(diǎn)計(jì)時(shí)器課件11電磁打點(diǎn)計(jì)時(shí)器課件12電磁打點(diǎn)計(jì)時(shí)器課件13電磁打點(diǎn)計(jì)時(shí)器課件14電磁打點(diǎn)計(jì)時(shí)器課件15電磁打點(diǎn)計(jì)時(shí)器課件16電磁打點(diǎn)計(jì)時(shí)器課件17電磁打點(diǎn)計(jì)時(shí)器課件18電磁打點(diǎn)計(jì)時(shí)器課件19電磁打點(diǎn)計(jì)時(shí)器課件20電磁打點(diǎn)計(jì)時(shí)器課件21電磁打點(diǎn)計(jì)時(shí)器課件22電磁打點(diǎn)計(jì)時(shí)器課件23電磁打點(diǎn)計(jì)時(shí)器課件24電磁打點(diǎn)計(jì)時(shí)器課件25電磁打點(diǎn)計(jì)時(shí)器課件26電磁打點(diǎn)計(jì)時(shí)器課件27電磁打點(diǎn)計(jì)時(shí)器課件28電磁打點(diǎn)計(jì)時(shí)器課件29電磁打點(diǎn)計(jì)時(shí)器課件30電磁打點(diǎn)計(jì)時(shí)器課件31電磁打點(diǎn)計(jì)時(shí)器課件32電磁打點(diǎn)計(jì)時(shí)器課件33電磁打點(diǎn)計(jì)時(shí)器課件34電磁打點(diǎn)計(jì)時(shí)器課件35電磁打點(diǎn)計(jì)時(shí)器課件36電磁打點(diǎn)計(jì)時(shí)器課件37電磁打點(diǎn)計(jì)時(shí)器課件38電磁打點(diǎn)計(jì)時(shí)器課件39電磁打點(diǎn)計(jì)時(shí)器課件40電磁打點(diǎn)計(jì)時(shí)器課件41電磁打點(diǎn)計(jì)時(shí)器課件42電磁打點(diǎn)計(jì)時(shí)器課件43電磁打點(diǎn)計(jì)時(shí)器課件44電磁打點(diǎn)計(jì)時(shí)器課件45電磁打點(diǎn)計(jì)時(shí)器課件46電磁打點(diǎn)計(jì)時(shí)器課件47電磁打點(diǎn)計(jì)時(shí)器課件48電磁打點(diǎn)計(jì)時(shí)器課件49電磁打點(diǎn)計(jì)時(shí)器課件50電磁打點(diǎn)計(jì)時(shí)器課件51物理三高考總習(xí)人教區(qū)新果標(biāo)fccn向第五單元實(shí)驗(yàn):研究勻變速直線運(yùn)動(dòng)第一模塊必修1物理三高考總習(xí)人教區(qū)新果標(biāo)52物理三高考總習(xí)人教區(qū)新果標(biāo)fccn向囗考點(diǎn)要點(diǎn)聚焦實(shí)驗(yàn)?zāi)康?.練習(xí)使用電火花計(jì)時(shí)器或電磁打點(diǎn)計(jì)時(shí)器,利用打上點(diǎn)的紙帶研究物體的運(yùn)動(dòng)情況.2.掌握判斷物體是否做勻變速運(yùn)動(dòng)的方法3.測定勻變速直線運(yùn)動(dòng)的加速度第一模塊必修1物理三高考總習(xí)人教區(qū)新果標(biāo)53物理三高考總習(xí)人教區(qū)新果標(biāo)fccn向二、實(shí)驗(yàn)原理打點(diǎn)計(jì)時(shí)器的使用(1)電磁打點(diǎn)計(jì)時(shí)器:電磁打點(diǎn)計(jì)時(shí)器是一種使用低壓交流電源的儀器,它的工作電壓為4~6V.當(dāng)交流電源的頻率為=50H時(shí),它每隔002s打一次點(diǎn).第一模塊必修1物理三高考總習(xí)人教區(qū)新果標(biāo)54物理三高考總習(xí)人教區(qū)新果標(biāo)fccn向(2)電火花計(jì)時(shí)器:電火花計(jì)時(shí)器是利用火花放電使墨粉在紙帶上打出墨點(diǎn)而顯出點(diǎn)跡的計(jì)時(shí)儀器.當(dāng)電火花計(jì)時(shí)器接通220V交流電源,按下脈沖輸出開關(guān)時(shí),計(jì)時(shí)器發(fā)出的脈沖電流經(jīng)接正極的放電針、接負(fù)極的紙盤軸(墨粉紙盤),產(chǎn)生火花放電,于是在運(yùn)動(dòng)的紙帶上打出一列點(diǎn)跡,當(dāng)電源頻率為50Hz時(shí),它的脈沖放電周期也是002s,即每隔0.02s打一個(gè)點(diǎn)第一模塊必修1物理三高考總習(xí)人教區(qū)新果標(biāo)55電磁打點(diǎn)計(jì)時(shí)器課件56物理三高考總習(xí)人教區(qū)新果標(biāo)fccn向電源插頭紙帶圖1第一模塊必修1物理三高考總習(xí)人教區(qū)新果標(biāo)57電磁打點(diǎn)計(jì)時(shí)器課件58電磁打點(diǎn)計(jì)時(shí)器課件59電磁打點(diǎn)計(jì)時(shí)器課件60電磁打點(diǎn)計(jì)時(shí)器課件61電磁打點(diǎn)計(jì)時(shí)器課件62電磁打點(diǎn)計(jì)時(shí)器課件63電磁打點(diǎn)計(jì)時(shí)器課件64電磁打點(diǎn)計(jì)時(shí)器課件65電磁打點(diǎn)計(jì)時(shí)器課件66電磁打點(diǎn)計(jì)時(shí)器課件67電磁打點(diǎn)計(jì)時(shí)器課件68電磁打點(diǎn)計(jì)時(shí)器課件69電磁打點(diǎn)計(jì)時(shí)器課件70電磁打點(diǎn)計(jì)時(shí)器課件71電磁打點(diǎn)計(jì)時(shí)器課件72電磁打點(diǎn)計(jì)時(shí)器課件73電磁打點(diǎn)計(jì)時(shí)器課件74電磁打點(diǎn)計(jì)時(shí)器課件75電磁打點(diǎn)計(jì)時(shí)器課件76電磁打點(diǎn)計(jì)時(shí)器課件77電磁打點(diǎn)計(jì)時(shí)器課件78電磁打點(diǎn)計(jì)時(shí)器課件79電磁打點(diǎn)計(jì)時(shí)器課件80電磁打點(diǎn)計(jì)時(shí)器課件81電磁打點(diǎn)計(jì)時(shí)器課件82電磁打點(diǎn)計(jì)時(shí)器課件83電磁打點(diǎn)計(jì)時(shí)器課件84電磁打點(diǎn)計(jì)時(shí)器課件85電磁打點(diǎn)計(jì)時(shí)器課件86電磁打點(diǎn)計(jì)時(shí)器課件87電磁打點(diǎn)計(jì)時(shí)器課件88電磁打點(diǎn)計(jì)時(shí)器課件89電磁打點(diǎn)計(jì)時(shí)器課件90電磁打點(diǎn)計(jì)時(shí)器課件91電磁打點(diǎn)計(jì)時(shí)器課件92電磁打點(diǎn)計(jì)時(shí)器課件93