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1
椤碉紝鍏?/p>
12
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2015-2016
瀛﹀勾娌冲崡鐪佹慨闃冲競婵槼鍘块珮浜岋紙涓婏級鏈熸湯鐗╃悊
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___________
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___________
鑰冨彿锛?/p>
___________
涓�銆佸崟閫夐
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鏈ぇ棰樺叡
8
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)
1.
鍏充簬绉戝瀹跺湪鐢电瀛︿腑鐨勮础鐚紝涓嬪垪璇存硶閿欒鐨勬槸锛?/p>
锛?/p>
A.
瀵嗙珛鏍规祴鍑轰簡鍏冪數鑽?/p>
e
鐨勬暟鍊?/p>
B.
娉曟媺绗彁鍑轰簡鐢靛満绾垮拰纾佹劅绾跨殑姒傚康
C.
濂ユ柉鐗瑰彂鐜颁簡鐢垫祦鍛ㄥ洿瀛樺湪纾佸満锛屽苟涓旀�荤粨鍑轰簡鍙虫墜铻烘棆瀹氬垯
D.
瀹夊煿鎻愬嚭浜嗗垎瀛愮數娴佸亣璇?/p>
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C
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A
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e
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A
姝ｇ‘锛?/p>
B
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B
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C
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C
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D
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D
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C
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2.
涓変釜鐩稿悓鐨勭伅娉￠瀹氬姛鐜囧潎涓?/p>
40W
锛屾寜鐓у鍥炬墍绀虹數璺繛鎺ワ紝
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锛?/p>
A.40 W
B.60 W
C.80 W
D.120 W
銆愮瓟妗堛�?/p>
B
銆愯В鏋愩�?/p>
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I
0
锛岄瀹氱數鍘嬩负
U
0
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L
1
涓庣伅娉?/p>
L
2
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U
0
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2I
0
锛屽啀涓庣伅娉?/p>
L
3
涓茶仈锛屾渶澶х數娴佷负
I
0
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L
1
涓?/p>
L
2
鐨勭數娴佸潎
涓?/p>
锛?/p>
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2
R
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0
2
R+
=
P
0
=
脳
40W=60W
锛?/p>
鏁呴�夛細
B
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L
1
鍜?/p>
L
2
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L
3
涓茶仈锛?/p>
鎵�浠?/p>
L
3
鐨勭數娴佹槸
L
2
鍜?/p>
L
1
鐢垫祦鐨勫拰锛?/p>
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L
3
鐨勫姛鐜囨槸鏈�澶х殑锛屽嵆涓?/p>
40W
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L
2
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1
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3.
鏈変竴灏忔閫氱數瀵肩嚎锛岄暱涓?/p>
1
cm
锛?/p>
鐢垫祦寮哄害涓?/p>
5A
锛?/p>
鎶婂畠缃叆鏌愮鍦轰腑鏌愮偣锛?/p>
鍙楀埌鐨勭鍦?/p>
鍔涗负
0.1N
锛屾眰锛氳鐐圭殑纾佹劅搴斿己搴?/p>
B
涓�瀹氭槸锛?/p>
锛?/p>