1
涓撻
9.1
鐢佃矾鐨勫熀鏈蹇靛拰瑙勫緥
锛堜簲锛夐珮鏁堟紨缁?/p>
1
.(2018路鏍床璐ㄦ
)
濡傚浘涓烘煇鎺у埗鐢佃矾鐨勪竴閮ㄥ垎锛屽凡鐭?/p>
AA
鈥茬殑杈撳叆鐢靛帇涓?/p>
24 V
锛屽鏋滅數闃?/p>
R
锛?/p>
6 k
惟
锛?/p>
R
1
锛?/p>
6
k
惟
锛?/p>
R
2
锛?/p>
3 k
惟
锛屽垯
BB
鈥蹭笉鍙兘杈撳嚭鐨勭數鍘嬫槸
(
)
A
锛?/p>
12 V
B
锛?/p>
8 V
C
锛?/p>
6 V
D
锛?/p>
3 V
銆愮瓟妗堛�?/p>
D
2
锛庝竴鏍归暱涓?/p>
L
銆佹í鎴潰绉负
S
鐨勯噾灞炴锛屽叾鏉愭枡鐨勭數闃荤巼涓?/p>
蟻
锛屾鍐呭崟浣嶄綋绉嚜鐢辩數瀛愭暟涓?/p>
n
锛岀數瀛愮殑璐ㄩ噺涓?
m
銆佺數鑽烽噺涓?/p>
e
.
鍦ㄦ涓ょ鍔犱笂鎭掑畾鐨勭數鍘嬫椂锛屾鍐呬骇鐢熺數娴侊紝鑷敱鐢靛瓙瀹氬悜杩愬姩鐨勫钩鍧囬�熺巼涓?/p>
v
锛屽垯閲戝睘妫掑唴鐨勭數鍦?
寮哄害澶у皬涓?/p>
(
)
A.
mv
2
2
eL
B
锛?/p>
mv
2
Sn
e
C
锛?/p>
蟻
nev
D.
蟻
ev
SL
銆愮瓟妗堛�?/p>
C.
銆愯В鏋愩�戠敱鐢垫祦瀹氫箟鍙煡锛?/p>
I
锛?/p>
q
t
锛?/p>
nvtSe
t
锛?/p>
neSv
锛岀敱娆у瀹氬緥鍙緱锛?/p>
U
锛?/p>
IR
锛?/p>
neSv
路
蟻
L
S
锛?/p>
蟻
neLv
锛屽張
E
锛?/p>
U
L
锛屾晠
E
锛?/p>
蟻
nev
锛岄�夐」
C
姝ｇ‘锛?/p>
3
.(2018路闀挎矙闀块儭涓妫�娴?/p>
)
濡傚浘涓虹洿娴佺數鍔ㄦ満鎻愬崌閲嶇墿鐨勮缃紝閲嶇墿鐨勯噸閲?/p>
G
锛?/p>
500
N
锛岀數婧愮數鍔ㄥ娍
E
锛?/p>
90
V
锛?/p>
鐢垫簮鍐呴樆涓?/p>
2
惟
锛屼笉璁″悇澶勬懇鎿︼紝褰撶數鍔ㄦ満浠?/p>
v
锛?/p>
0.6 m/s
鐨勬亽瀹氶�熷害鍚戜笂鎻愬崌閲嶇墿鏃讹紝鐢佃矾涓殑鐢垫祦
I
锛?/p>
5 A
锛屼笅
鍒楀垽鏂笉姝ｇ‘鐨勬槸
(
)