tugas

MA : YUNUS RIYADI (36)

FUAD KURNIANADI (11)

KELAS : XI TKR D

5.Series R and L Seri
a.Tension and angle shifts.
b.Impedensi series R and L.
B. Impedensi series R and L
Because VR and VL forms an angle 900 and I-phase with the R and XL VR also makes an angle of 900 (picture 7.15), so that the resultant of R and XL ie Z is:

X_L Z

α

R

PICTURE 7.15

Z = R² + X_L …………..(7-11a) or

Z = R² + (2ΠFL)²…….(7-11b)

Resultant barriers - barriers in a series of alternating current is called impedensi, given the symbol Z.
Conoh about:
Indicator with 10-2H inductance in series with a pair of 10Ω resistance in an AC circuit with a frequency of 50Hz and a voltage 50 Volt.How strong currents flowing in the circuit?
completion:

X_L = 2ΠFL

=2(3,14)(50)(10^-2)

tugas fisikaNama = Okta Ardiyanto Kelas = XII TKRD No = 25 Tugas Fisika 1. in the R-L series network, known R = 6 ohms. when the network is conne

Nama = Okta Ardiyanto

Kelas = XII TKRD

No = 25

Tugas Fisika

1. in the R-L series network, known R = 6 ohms. when the network is connected to the source of alternating current - back with a 220 volt voltage and frequency anguler 200 rad / s appears to current flow in the range of 20 large induction coil means Amperes (I) is ……..

a. 0,02 henry

b. 0,2 henry

c. 0,04 henry

d. 0,4 henry

e. 40 henry

2. a capacitor with capacitive rektansi 30 ohms is connected in series with a resistor of 40 ohms. when the circuit is connected to the source of alternating current - behind 100 Volts, then the magnitude of the voltage across the resistor (VR) and the voltage on the capacitor (Vc) is……

a. VR =80 V ; VC = 60 V

b. VR =60 V ; VC = 80 V

c. VR =40 V ; VC = 30 V

d. VR =30 V ; VC = 40 V

e. VR =50 V ; VC = 25 V

Jawaban :

1. D 1 : R = 6 ohm

V= 220 Volt

I = 20 Ampere

F Anguler = 200 rad/s

D 2 : Induksi Kumparan :…….?

D 3 : I = V

XL

I = V

2πfL

20 = 220 V

2.3,14.200.L

20 = 220

6,28.200L

20 = 220

1256 L

2512 L = 220

L = 220

2512

L = ……..

2. D 1 : R1= 30 ohm

R2= 40 ohm

V = 100 volt

D2 : VR = ……..?

VC = …….?

D3 : VR = I x Xr

= 30 x 100

= 3000

= 30 Volt

VC = i x Xc

= 40 x 100

= 4000

= 40 Volt

VR = 30 Volt dan VC = 40 Volt ( D )

Tugas Fisika XII TKRC

Name : Aan Ardiyanto

Class : XII TKRC

Number : 01

ARUS LISTRIK BOLAK-BALIK (AC= Alternating Current)

A. Pengertian Arus Listrik Bolak-Balik (AC)

1. Mengamati Arus Bolak-Balik

· Arus/ Tegangan bolak balik adalah arus atau tegangan yang lainnya selalu berubah-ubah terhadap waktu secara periodik. Tegangannya berubah dari nilai 0 sampai dengan nilai maksimumnya.

· Disebut arus atau tegangan bolak-balik karena arus ini mengalir bolak- balik setiap selang waktu tertentu sesuai dengan frekuensi sumbernya. Apabila frekuensi sumbernya 50Hz maka berarti arah arus setiap detik berubah 50 kali.

FLOW alternating electric (AC = Alternating Current)

A. Definition of an alternating electric current (AC)
1. Observing an alternating current
• The current / voltage alternating current or voltage is the other always changing with time periodically. The voltage is changed from 0 up to its maximum value.

• Known current or voltage alternating because the current is flowing back and forth every certain time interval corresponds to the frequency source. If the frequency source is 50Hz then it means that the current direction changed 50 times every second.

CURRENT AND VOLTAGE SINUSODIAL

In the current network back and forth with R inhibition occurs Ohm's law. With a strong current is so large can be determined as follows:

i=

Price = i.m So it can be obtained:

Price of Sin ∞t called Phase Angle.

NAMA :AGUS TRI WIBOWO
KELAS :XII TKR C
NOMOR :03

Efektif Dan Nilai Maksimum nilai skala dan Nilai Maksimum Frukuensi sinusodial.

Dengan osiloskop dapat diamati nilai maksimum fekuensinya arus / tegangan dan digambarkan dalam bentuk garis cahaya (jejak) pada screen.Line skala vertikal adalah garis skala untuk tegangan line dan skala horisontal untuk skala waktu:

Effective And Value Maximum value of scale and Frukuensi sinusodial Maximum Value.

With the oscilloscope can be observed the maximum value of current / voltage and fekuensinya depicted in the form of a light line (trace) on the screen.Line of the vertical scale is the scale line to line voltage and the horizontal scale for time scales:

F = I/T

NAMA :AHMAD IRWAN NUGROHO

KELAS : XII TKR C

NOMOR :04

Nilai efektif
adalah nilai efektifarus / bolak tegangan adalah arus kuat / tegangan dianggap setara dengan tegangan / arus pada arah yang menghasilkan jumlah yang sama melewati panas melalui penghantardalam suatu waktu yang sama.

Ief = im/√2 =0,707

Veb =VM/√2 = 0,707

dengan:

Ø Ief = Arus efektif (A)

Ø Im = Arus maksimum (A)

Ø Vef = Tegangan efektif (V)

Ø Vm = Tegangan Maksimum (V)

Effective value
is the value efektif/ alternating voltage is a strong current / voltage is considered equivalent to a current / voltage in the direction that produces the same amount of heat passing through a penghantardalam the same time.

Ief = im/√2 = 0,707

Veb =VM/√2 = 0,707

With :

Ø Ief = Effective Current (A)

Ø Im = Maximum Current(A)

Ø Vef = Effective Voltage (V)

Ø Vm = Maximum Voltage (V)