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2016-2018三年高考真题汇编电学实验专?含解? - 百度文库

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3вڴ˱ϵͳ

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ڽ______cd˱պϣƶĻƬֱ______ 4ֻƬλò䣬һ˱պϣϵͳʹá

𰸡1ͼʾ 2R2 3650.0 b ͨԴĵᳬ20 mA c ʼ

1·ͼ

㶨λպϵ·ŷķɵӦáЧ滻

ʦ㾦Ҫպϵ·ŷķɵӦáЧ滻ҪرעⱾʹ˵Ч滻õֵڵ·ٽʱͿֱӹ㡢ȫ

V裨92016ȫ¿α9֣ijͬѧͼaʾ·Ϊ2.5 VĵѹΪǧŷķɹѡУRֵ99 999.9 R1ֵ50 R2ֵ5 kֱԴE綯3 V1ɡ

ʵ鲽

ٰ·ԭͼa·

ڽֵΪ0ĻƬƵͼaӦλãպϿS ۵ڻʹѹƫ

ֻܱƬλò䣬ڵֵʹѹʾΪ2.00 Vµֵ ش⣺

1Ӧѡ񻬶_______R1R2 2ͼaʾ·ͼbʵͼߡ

3ʵ鲽м¼ĵֵΪ630.0 Ϊڵʱϵķѹ䣬ɵõѹΪ_______λ

4˵ѹһͷ͵贮ɵģƶϸñͷ̶ȵΪ_____ȷ𰸱ţ A100 A

B250 A

C500 A

D1 mA

𰸡1R1 2ͼ 32 520 4D

3ѹRVRѹΪ2.00 V0.50 VRV?4R?2520? 4ѹƫIg?U2.5?A?1mAѡD RV2520㶨λƫѹ

ʦ㾦⿼ѹԼĸװ⣻ʵڿαϵ ƫĻԼӸıɵģ鿼ʵԭ⼰ǨؼҪʵԭʵIJ裻ʵͼҲǾĿȽϼ򵥡

102016ϾijͬѧװУ׼ѹĵ·ͼͼʾͼ߿ǵѹĸװ·

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4ڱͷGϱǵֵ׼ɸװѹĶȱ׼ѹĶƫСͷGʵֵ_______ڡСڡ900 𰸡1100 910 2 000 250 3M 4

3ڱպϿSǰĻPӦMˣʹַѹΪ㣬𵽱á 4ɸװѹĶȱ׼ѹĶƫС˵ͨͷGĵƫСʵʵƫ󣬹ʱͷGʵֵ900 㶨λѵװɵѹ

ʦ㾦⿼ֵʵĵѡ񡢵·Ϸ֪ĸװԭ·ṹӦô·صŷķɼȷ⡣

112016վ8֣Сͬѧͨʵ̽ijһֵR¶tı仯ϵ֪ýڳµֵԼ10 Rt߶ʵ·ͼʾԵڽ¶ȣ

ʵʱպSȽK1˱պϣڽ¶ȣֱ¶t1t2͵ӦʾI1I2Ȼ󽫿K2˱պϣڵʹʾٴΪI1I2ֱµӦʾR1R2

1ֵʵ·Ӧѡ

A0~100 mAԼ2 B0~0.6 Aɺ

2ʵУҪֵ9.9 10.0תͼеťabcȷIJ˳

ٽťaɡ0ת1 ڽťbɡ9ת0 3ʵ¼tRݼ±

۽ťcɡ9ת0

ݱݣڴ⿨ķֽR-tͼߣ

ͼRtı仯ϵΪR=

𰸡1A 2٢ڢۣ٢ۢڣ3ͼ 0.04t+8.80.04t+8.6~0.04t+9.0ԣ

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3вڴ˱ϵͳ ٵ·ͨǰ轫һ̶ֵʵҪһֵΪ______ĻƬӦ______ab˸һ˵ԭ______ ڽ______cd˱պϣƶĻƬֱ______ 4ֻƬλò䣬һ˱պϣϵͳʹá 𰸡1ͼʾ 2R2 3650.0 b ͨԴĵᳬ20 mA c ʼ 1·ͼ 㶨λպϵ·ŷķɵӦáЧ滻 ʦ㾦Ҫպϵ·ŷķɵӦ

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