Activity of this learning aim to give knowledge allowance and skill to
participant diklat about symbols kelistrikan/elektronika and ohms law and
law kirchoff. You can expressed had successfully finalizes this module if you
has spelt all fill from this module is including theory training and practice of with
correctness have also followed evaluation in the form of test with score a minimum of is 70.
a. Purpose of study activity of 2
After studying this matter student earns :
1. Depicts electricity component symbols / electronics
2. Explains current understanding, strain and resistance and Ohm's law
3. Mentions electrical circuit types
4. Menyeb utkan law sound Kirchoff
b. Breakdown Of Matter
b1 Simbol – electricity component symbol / electronics
1. Diode
Diode is an electronic component which can flow current
only at one way only. Diode Symbol is as in under this, in
such flowable electric current only at direction bowed like
at symbol following.
Cord
2. Zener diode
Zener diode is one of form of diode designed is special where
current back of can happened at strain which has exceeded tagangan which
have been determined without destroying diode.
Material for zener diode mixed with phosphor and boron which more
many so that free electrons and hole at this material would be more
what enables electric current ( at direction of overturn ) flows without
destroys zener diode at circuit designed correctly.
Drawing following is zener diode symbol.
3. Transistor.
Transistor is a device applied at electronic circuit
to control electric current jetting. Transistor base material is
equal to diode base material that is silicon or germanium which
dic ampur with boron material or phosphor, so that is formed material
type “ P” and type “ Nitrogen”.
Transistor symbol used occasionally is as in under. Line
what has arrow is Emitor, Thick line is Basis, and line
without arrow is Kolektor.
5. Condenser.
Condenser is a device consisted of two conductors that is is each other
tersek at. The conductor made from thin metal slab which
dissociated by insulation.
Principal from condenser is that condenser menyimpan
electrical cargos ( electricity). Performance menyimpan to how much/many
many this cargoes called as condenser capacities.
9. Switches
Switches is wrong of a real important component in a
angkaian electricity. Functioning switches as break or linkage
current from source of strain at closed circuit. Because so
the importance of sakalar for a circuit, hence the switches must
placed on course strategic which is easy is reached. With
that way at the time of switches required or equally when us
meng-ON will or meng-OFF a circuit or engine, earns
done swiftly.
10. r e levator skapula an i
Relay is a magnet switches. Its(the excellence to switch
ordinary mechanic is that usable relay safely for
pilots ( meng-on-off-kan) equipments and engine in the distance. Relay
is working with small strain can key up engine which
requires big current to invite it ( men-start); also usable
to key up from long distance to different equipments in
dangerous place.
Basically relay consisted of an electromagnet with slack iron core.
If coil is flown [by] current, hence soft iron becomes magnet and draws
resilient tongue. This tongue is one of switches contact. This switches
in a state of closing. If current is killed, magnetism at soft iron
leading, and tongue is discharged, so that switches opens.
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