基尔霍夫电压定律公式 基尔霍夫电压定律怎么看啊。。。不会
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1\u3001\u57fa\u5c14\u970d\u592b\u7b2c\u4e00\u5b9a\u5f8b\uff08KCL\uff09\uff1a\u53c8\u79f0 \u57fa\u5c14\u970d\u592b\u7535\u538b\u5b9a\u5f8b\u7b80\u8bb0\u4e3aKCL\uff0c\u7535\u8def\u4e2d\u4efb\u610f\u4e00\u4e2a\u8282\u70b9\u4e0a\uff0c\u6d41\u5165\u7684\u7535\u6d41\u4e4b\u548c\u7b49\u4e8e\u6d41\u51fa\u8be5\u8282\u70b9\u7684\u7535\u6d41\u4e4b\u548c\u2211I\u8fdb=\u2211I\u51fa\u3002
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2\u3001\u57fa\u5c14\u970d\u592b\u7b2c\u4e8c\u5b9a\u5f8b\uff08KVL\uff09\uff1a\u53c8\u79f0 \u57fa\u5c14\u970d\u592b\u7535\u538b\u5b9a\u5f8b\u7b80\u8bb0\u4e3aKVL\uff0c\u5bf9\u4e8e\u7535\u8def\u4e2d\u7684\u4efb\u4e00\u56de\u8def\uff0c\u6cbf\u7ed5\u884c\u65b9\u5411\u7684\u5404\u6bb5\u7535\u538b\u7684\u4ee3\u6570\u548c\u7b49\u4e8e\u96f6\u3002\u53c8\u79f0\u56de\u8def\u7535\u538b\u5b9a\u5f8b\u3002
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绛旓細kcl鍜宬vl鍏紡涓衡垜U=0銆傚熀灏旈湇澶數娴佸畾寰(KCL)锛氱數璺腑浠讳竴涓妭鐐逛笂锛屽湪浠讳竴鏃跺埢锛屾祦鍏ヨ妭鐐圭殑鐢垫祦涔嬪拰绛変簬娴佸嚭鑺傜偣鐨勭數娴佷箣鍜岋紝鍩哄皵闇嶅か鐢靛帇瀹氬緥(KVL)鍏紡涓衡垜U=0銆傚彜鏂澶綏浼壒鍩哄皵闇嶅か鐨勪富瑕佹垚灏憋細1845骞达紝21宀佹椂浠栧彂琛ㄤ簡绗竴绡囪鏂囷紝鎻愬嚭浜嗙ǔ鎭掔數璺綉缁滀腑鐢垫祦銆佺數鍘嬨佺數闃诲叧绯荤殑涓ゆ潯鐢佃矾瀹氬緥锛...
绛旓細鍩哄皵闇嶅か瀹氬緥鍏紡鏄垜I(娴佸叆)=鈭慖(娴佸嚭) 鈭慖=0鍩哄皵闇嶅か鐢垫祦瀹氬緥鎸囧嚭鍦ㄤ换鎰忔椂鍒锛屽鐢佃矾涓殑浠讳綍涓鑺傜偣锛屾祦缁忚鑺傜偣鐨勭數娴佷唬鏁板拰鎭掍负闆躲傚嵆鍦ㄧ洿娴佺數璺腑危I锛0锛涘湪浜ゆ祦鐢佃矾涓锛0銆傚熀灏旈湇澶數鍘嬪畾寰嬫寚鍑哄鐢佃矾鐨勪换涓闂悎鍥炶矾锛屽湪鍚屼竴鏃跺埢锛屽悇娈电數鍘嬮檷鐨勪唬鏁板拰鎭掔瓑浜庨浂銆傚嵆鍦ㄧ洿娴佺數璺腑危U锛0...
绛旓細鍩哄皵闇嶅か鐢靛帇瀹氬緥鍏紡涓-E1+E2=-I1R1+I2R2+I3R3-I4R4銆傚熀灏旈湇澶數鍘嬪畾寰嬫槸鐢佃矾涓數鍘嬫墍閬靛惊鐨勫熀鏈寰嬶紝鏄垎鏋愬拰璁＄畻杈冧负澶嶆潅鐢佃矾鐨勫熀纭锛1845骞寸敱寰峰浗鐗╃悊瀛﹀G.R.鍩哄皵闇嶅か锛1824锝1887锛夋彁鍑恒傚熀灏旈湇澶畾寰嬪寘鎷熀灏旈湇澶涓瀹氬緥鍜屽熀灏旈湇澶浜屽畾寰嬶紝鍏朵腑鍩哄皵闇嶅か绗竴瀹氬緥绉颁负鍩哄皵闇嶅か鐢垫祦瀹氬緥...
绛旓細鍩哄皵闇嶅か瀹氬緥鍏紡锛毼k=E=-螖桅/螖t 銆傚畠闄や簡鍙互鐢ㄤ簬鐩存祦鐢佃矾鐨勫垎鏋愶紝鍜岀敤浜庝技绋崇數璺殑鍒嗘瀽锛岃繕鍙互鐢ㄤ簬鍚湁鐢靛瓙鍏冧欢鐨勯潪绾挎х數璺殑鍒嗘瀽銆傝繍鐢ㄥ熀灏旈湇澶畾寰嬭繘琛岀數璺垎鏋愭椂锛屼粎涓庣數璺殑杩炴帴鏂瑰紡鏈夊叧锛岃屼笌鏋勬垚璇ョ數璺殑鍏冨櫒浠跺叿鏈変粈涔堟牱鐨勬ц川鏃犲叧銆傚閫氳繃鍚椂鐢垫祦鐨勭數璺繘琛屽垎鏋愭椂锛岀敱浜庨氳繃闂悎鍥炶矾鐨...
绛旓細鍩哄皵闇嶅か瀹氬緥鍏紡鏄垜I(娴佸叆)=鈭慖(娴佸嚭) 鈭慖=0銆傚熀灏旈湇澶數娴佸畾寰嬫寚鍑哄湪浠绘剰鏃跺埢锛屽鐢佃矾涓殑浠讳綍涓鑺傜偣锛屾祦缁忚鑺傜偣鐨勭數娴佷唬鏁板拰鎭掍负闆躲傚嵆鍦ㄧ洿娴佺數璺腑危I锛0锛涘湪浜ゆ祦鐢佃矾涓锛0銆傚鏄數璺腑浠讳竴涓妭鐐逛笂锛屽湪浠讳竴鏃跺埢锛屾祦鍏ヨ妭鐐圭殑鐢垫祦涔嬪拰绛変簬娴佸嚭鑺傜偣鐨勭數娴佷箣鍜屻傜浉鍏充俊鎭細鍩哄皵闇嶅か瀹氬緥...
绛旓細杩欎釜瀹氬緥鍙互鐢ㄦ暟瀛鍏紡琛ㄧず涓何=0锛屽叾涓琛ㄧず鐢佃矾鍥炶矾涓悇娈电數璺厓浠剁殑鐢靛娍宸箣鍜岋紝绛変簬闆躲鍩哄皵闇嶅か鐢靛帇瀹氬緥閫氬父鐢ㄤ簬姹傝В澶嶆潅鐢佃矾涓數鍘嬪垎甯冩儏鍐碉紝浠ョ‘瀹氱數娴佺殑鏂瑰悜鍜屽ぇ灏忥紝鏄數璺垎鏋愪腑鏈鍩烘湰涔熸槸鏈閲嶈鐨勫畾寰嬩箣涓銆傚簲鐢ㄥ熀灏旈湇澶數鍘嬪畾寰嬫椂锛岄渶瑕佹敞鎰忎互涓嬪嚑鐐癸細1銆侀夋嫨鍚堥傜殑鐜矾锛氫负浜嗗簲鐢ㄥ熀灏旈湇澶數鍘...
绛旓細鍩哄皵闇嶅か鐢靛帇瀹氬緥鏄數璺腑鐢靛帇鎵閬靛惊鐨勫熀鏈寰嬶紝鏄垎鏋愬拰璁＄畻杈冧负澶嶆潅鐢佃矾鐨勫熀纭锛1845骞寸敱寰峰浗鐗╃悊瀛﹀G.R.鍩哄皵闇嶅か鎻愬嚭銆傚湪浠讳綍涓涓棴鍚堝洖璺腑锛屽悇鍏冧欢涓婄殑鐢靛帇闄嶇殑浠ｆ暟鍜岀瓑浜庣數鍔ㄥ娍鐨勪唬鏁板拰锛屽嵆浠庝竴鐐瑰嚭鍙戠粫鍥炶矾涓鍛ㄥ洖鍒拌鐐规椂锛屽悇娈电數鍘嬬殑浠ｆ暟鍜屾亽绛変簬闆讹紝鍗斥垜U=0銆傚熀灏旈湇澶(鐢佃矾)瀹氬緥鏄眰瑙...
绛旓細鍩哄皵闇嶅か瀹氬緥鍏紡鏄垜I=0 2銆傚熀灏旈湇澶畾寰嬪疄闄呬笂鏄竴涓亸寰垎寮忥紝鍗筹紙伪螖H/伪T锛塸=螖Cp 鍗崇瓑鍘嬫潯浠朵笅鐒撳彉瀵规俯搴︾殑鍋忓井鍒嗙瓑浜庣儹瀹瑰樊銆傚熀灏旈湇澶紙鐢佃矾锛夊畾寰嬫棦鍙互鐢ㄤ簬鐩存祦鐢佃矾鐨勫垎鏋愶紝涔熷彲浠ョ敤浜庝氦娴佺數璺殑鍒嗘瀽锛岃繕鍙互鐢ㄤ簬鍚湁鐢靛瓙鍏冧欢鐨勯潪绾挎х數璺殑鍒嗘瀽璁＄畻鐗规с傚畾涔変俊鎭細瀹氫箟锛屽湪缁欏畾娓╁害涓嬶紝...
绛旓細鍩哄皵闇嶅か鐢靛帇瀹氬緥鏄數璺腑鐢靛帇鎵閬靛惊鐨勫熀鏈寰嬶紝鏄垎鏋愬拰璁＄畻杈冧负澶嶆潅鐢佃矾鐨勫熀纭锛1845骞寸敱寰峰浗鐗╃悊瀛﹀G.R.鍩哄皵闇嶅か鎻愬嚭銆傚熀灏旈湇澶畾寰嬪缓绔嬪湪鐢佃嵎瀹堟亽瀹氬緥銆佹濮嗗畾寰嬪強鐢靛帇鐜矾瀹氱悊鐨勫熀纭涔嬩笂锛屽湪绋虫亽鐢垫祦鏉′欢涓嬩弗鏍兼垚绔嬨傚綋鍩哄皵闇嶅か绗竴銆佺浜屾柟绋嬬粍鑱斿悎浣跨敤鏃讹紝鍙纭繀閫熷湴璁＄畻鍑虹數璺腑鍚勬敮璺殑鐢垫祦...
绛旓細鍗筹細蟽i=0 鍩哄皵闇嶅か绗數娴佸畾寰嬩笉浠呴傚簲浜庤妭鐐癸紝涔熷彲浠ユ帹骞垮簲鐢ㄤ簬浠绘剰鍋囧畾鐨勫皝闂潰锛堜篃绉板箍涔夎妭鐐癸級鍩哄皵闇嶅か绗浜屽畾寰嬩篃鍙仛鍥炶矾鐢靛帇瀹氬緥锛屽叾绠鍐欏舰寮忔槸kvl銆傚畾寰嬫寚鍑猴細瀵逛换涓闂拰鍥炶矾锛屼釜娈电數鍘嬬殑浠ｆ暟鍜岀瓑浜庨浂锛屽嵆锛毾僽=0 濡傛灉鐢靛帇鐨勫弬鑰冩柟鍚戜笌鍥炶矾缁曡鏂瑰悜涓鑷达紝鍒欏彇姝ｅ彿锛涚浉鍙嶅垯鍙栬礋鍙枫
