6 Ngā Tauira o Ngā Pātai mō te Ara Iahiko Auaha Tauhohe
1. Tirohia te pikitia o te ara iahiko RLC e whai ake nei! Mena he 250 Ω te aukati o te ara iahiko, ko te ātete o te ātete (R) ko…..
A. 50 Ω
B. 200 Ω
C. 400 Ω
D. 600 Ω
E. 800 Ω
Kōrero
E mōhiotia ana:
Z = 250 Ω
C = 8 m F = 8 x 10 -6 F
L = 0,8 H
V = 200 Ngāohiko
ω = 500 rad/s
Pātai: Te ātete o te ātete (R)
Whakautu:
Ko te tātai aukati katoa mō te ara iahiko:
Ko te whakautu tika ko B.
2. Tirohia te ara iahiko raupapa RLC e whai ake nei! Ko te rerekētanga pūmanawa puta noa i ngā pito o te inductor ko….
A. 100 Ngā Waohiko
B. 200 Ngā Waohiko
C. 300 Ngā Waohiko
D. 350 Ngā Waohiko
E. 400 Ngāohiko
Kōrero
E mōhiotia ana:
R = 40 W
X R = 150 W
XC = 120 W
V = 100 Ngāohiko
Pātai: Te rerekētanga pūmanawa i ngā pito o te inductor
Whakautu:
Ko te tātai aukati katoa mō te ara iahiko:
Ko te whakautu tika ko C.
3. Tirohia te hoahoa ara iahiko RLC e whai ake nei!
Ko te iahiko mōrahi o te ara iahiko ko.. (1 µF = 10-6 F)
A. 1,3 A
B. 1,5 A
C. 2,0 A
D. 2,4 A
E. 2√2 A
Kōrero
E mōhiotia ana :
Ātete (R) = 12 Ohm
Pūwero (L) = 0,075 H
Pūnga (C) = 500 µF = 500 x 10-6 F = 5 x 10-4 Farad
Ngaohiko (V) = Vo hara ωt = Vo sin 2πft = 26 sin 200t
I pātaihia : Te au mōrahi o te ara iahiko
Whakautu :
Te tauhohenga ā-whakapūmau (X)L) = ωL = (200)(0,075) = 15 Ōhm
Te tauhohenga kaha (X)C) = 1 / ωC = 1 / (200)(5 x 10-4) = 1 / (1000 x 10-4) = 1 / 10-1 = 101 = 10 Ōhm
Ātete (R) = 12 Ohm
Āraitanga (Z) :
Te kaha o nāianei (I) :
I = V / Z = 26 Ngāohiko / 13 Ōhm
I = 2 Ngā Waohiko/Ōhm
I = 2 Āmpere
Ko te whakautu tika ko C.
4. Kua whakaritea te ara iahiko RLC e ai ki te pikitia i raro nei. Ko te kauwhata ngaru sine ka puta mēnāL > XC ko…
Kōrero
Ngā Mōhiohio:
XL = te tauhohenga ā-whakaawe, te aukati ā-whakaawe rānei
XC = te tauhohenga capacitive, te aukati capacitor rānei
I roto i te inductor, ka haere te ngaohiko hiko (v) i mua i te iahiko hiko (i) mā te ¼ hurihanga, 90° rānei.o.
I roto i te pūnga hiko, ka haere te iahiko (i) i mua i te ngaohiko hiko (v) mā te ¼ hurihanga, 90° rānei.o.
Mena ka nui ake a X L i a X C , he ara iahiko whakapūmau, nō reira ka rite te kauwhata ngaru sine e puta mai ana ki te whakautu C, ko te ngaohiko (v) e arahi ana i te iahiko (i) mā te ¼ hurihanga, 90 o rānei.
Ko te whakautu tika ko C.
5. Tirohia te pikitia e whai ake nei!
Ko te whakaritenga o te ara iahiko RLC e whakaaturia ana i runga ake nei. Ko te kauwhata ngaru sine ka puta mēnā ko X L > X C ...
Kōrero
Ngā Mōhiohio:
X L = te tauhohenga ā-whakaawe, te aukati rānei o te inductor, X C = te tauhohenga ā-pūnga, te aukati rānei o te capacitor.
I roto i te inductor, ka haere te ngaohiko hiko (V) i mua i te iahiko hiko (I) mā te ¼ hurihanga, 90 ° rānei.
I roto i te pūnga hiko, ka haere te iahiko (I) i mua i te ngaohiko hiko (v) mā te ¼ hurihanga, 90 ° rānei.
Mena ka nui ake a X L i a X C , he ara iahiko whakapūmau, nō reira ka rite te kauwhata ngaru sine e puta mai ana ki te whakautu C, ko te ngaohiko (v) e arahi ana i te iahiko (i) mā te ¼ hurihanga, 90 o rānei.
Ko te whakautu tika ko C.
6. Ko te whakaritenga o te ara iahiko RLC e whakaaturia ana i te pikitia i raro nei. Ko te kauwhata ngaru sine ka puta mēnā ko X L > X C he ...
Kōrero
Ngā Mōhiohio:
X L = te tauhohenga ā-whakaoho, te aukati rānei o te inductor, X C = te tauhohenga ā-kaha, te aukati rānei o te capacitor
I roto i te inductor, ka haere te ngaohiko hiko (V) i mua i te iahiko hiko (I) mā te ¼ hurihanga, 90 ° rānei.
I roto i te pūnga hiko, ka haere te iahiko (I) i mua i te ngaohiko hiko (v) mā te ¼ hurihanga, 90 ° rānei.
Mena ka nui ake a X L i a X C , he ara iahiko whakapūmau, nō reira ka rite te kauwhata ngaru sine e puta mai ana ki te whakautu C, ko te ngaohiko (v) e arahi ana i te iahiko (i) mā te ¼ hurihanga, 90 o rānei.
Ko te whakautu tika ko C.
Pūtake pātai:
Ngā Pātai Whakamātautau Ā-Motu o SMA/MA U-ZC-2013/2014 mō te Ahupūngao
