Forwarded from Amazing Physics🥰
n-type semiconductor (5 NAPA)
5 = pentavalent atom
N = n-type
A = Antimony
P = Phosphorus
A = Arsenic
Majority charge carrier: Electrons
Minority charge carrier: Holes
Atom DONOR
p-type semiconductor (3 PBAGI)
3 = trivalent atom
P = p-type
B = Boron
A = Aluminium
G = Gallium
I = Indium
Majority charge carrier: Holes
Minority charge carrier: Electrons
Atom RECEIVER
Credit: animation gif
📺amazingPhysics📺
5 = pentavalent atom
N = n-type
A = Antimony
P = Phosphorus
A = Arsenic
Majority charge carrier: Electrons
Minority charge carrier: Holes
Atom DONOR
p-type semiconductor (3 PBAGI)
3 = trivalent atom
P = p-type
B = Boron
A = Aluminium
G = Gallium
I = Indium
Majority charge carrier: Holes
Minority charge carrier: Electrons
Atom RECEIVER
Credit: animation gif
📺amazingPhysics📺
Which circuit can be used to determine electromotive force of a battery?
Litar manakah yang boleh digunakan untuk menentukan daya gerak elektrik sesebuah bateri?
Litar manakah yang boleh digunakan untuk menentukan daya gerak elektrik sesebuah bateri?
Anonymous Quiz
19%
A
13%
B
16%
C
52%
D
What is radioisotope that can be used to determine the age of a fossil? / Apakah radioisotop yang boleh digunakan untuk menentukan usia sesuatu fosil?
Anonymous Quiz
3%
Radon-222
21%
Uranium-238
73%
Carbon-14
4%
Iodine-131
Which of the following reading is correct? / angata bacaan berikut, yang manakah betul
Anonymous Quiz
52%
A1 = A2
19%
A1 > A2
12%
V1 = V2
17%
V1 > V2
What is the amplitude of the wave? / apakah amplitud gelombang?
Anonymous Quiz
4%
2cm
13%
4cm
77%
8cm
6%
16cm
Which statement is correct
Pernyataan manakah yang betul
Pernyataan manakah yang betul
Anonymous Quiz
52%
Air pressure Q lower than P / tekanan udara Q lebih rendah dari P
27%
Air pressure P lower than Q / tekanan udara P lebih rendah dari Q
12%
Speed of air at P is higher than Q / laju udara di P lebih tinggi dari Q
9%
Operation system is pascal’s principles / operasi sistem ialah prinsip pascal
What is the pressure of the gas if the atmospheric pressure is 76 cm Hg?
Berapakah tekanan gas tersebut jika tekanan atmosfera ialah 76 cm Hg
Berapakah tekanan gas tersebut jika tekanan atmosfera ialah 76 cm Hg
Anonymous Quiz
12%
12 cm Hg
11%
26 cm Hg
18%
38 cm Hg
60%
90 cm Hg
Which phenomenon explain the propagation of waves at X / fenomena manakah yang menerangkan perambatan gelombang pada X
Anonymous Quiz
1%
Reflection / pantulan
9%
Refraction / pembiasan
83%
Diffraction / pembelauan
7%
Interference / interferens
Which of the following is not base quantity?
Yang manakah antara berikut adalah bukan kuantiti asas
Yang manakah antara berikut adalah bukan kuantiti asas
Anonymous Quiz
3%
Length / panjang
7%
Time / masa
18%
Electric current / arus elektrik
72%
Electric charge / cas elektrik
The function of a transformer in an electrical energy transmission system is to
Fungsi transformer dalam sistem penghantaran tenaga elektrik adalah untuk
Fungsi transformer dalam sistem penghantaran tenaga elektrik adalah untuk
Anonymous Quiz
36%
Increase the power / meninggikan kuasa
18%
Reduce the resistance / merendahkan rintangan
39%
Change the potential difference / mengubah beza keupayaan
7%
Speed up the time of transmission / mempercepat masa penghantaran
The phenomenon seen in the diagram occur because
Fenomena yang ditunjukkan dalam rajah berlaku disebabkan
Fenomena yang ditunjukkan dalam rajah berlaku disebabkan
Anonymous Quiz
17%
Interference of wave
36%
Diffraction of wave / pembelauan gelombang
42%
Refraction of wave / pembiasan gelombang
6%
Reflection of wave / pantulan gelombang