Resistor Color Code
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WHAT IS RESISTOR?

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Tue Aug 21, 2018 3:25 pm
garciarogelio wrote:What is the main function of resistor ?
used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses.
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Tue Aug 21, 2018 3:33 pm
Melyssa120504* wrote:if the value of your resistor is 1,320Ω ± 5%
What is the exact color band in the resistor?
i think brown,orange,red,brown, gold
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Tue Aug 21, 2018 7:40 pm
why there are different sizes of resistors?
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Tue Aug 21, 2018 7:41 pm
garciarogelio wrote:What is the main function of resistor ?
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Tue Aug 21, 2018 7:44 pm
who invented the resistors?
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Tue Aug 21, 2018 7:45 pm
when the resistors first use?
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Tue Aug 21, 2018 7:46 pm
. Carbon composition resistors and metal film resistors typically fail as open circuits. Carbon-film resistors typically fail as short circuits.
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Tue Aug 21, 2018 7:52 pm
The resistance of a resistor isn't constant, even if it's a certain material of a fixed length and area: it steadily increases as the temperature increases.
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Julie Angala
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Wed Aug 22, 2018 11:16 pm
denden wrote:who invented the resistor???

Otis Frank Boykin was the one who Invented an Improved Electrical Resistor. He is alsoknown for inventing the wire precision resistor.
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Julie Angala
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Wed Aug 22, 2018 11:21 pm
ruselleeeee wrote:why there are different sizes of resistors?


I think why resistor have different sizes is because Resistor size typically only effects how much power it is capable of dissipating without destructive failure
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Wed Aug 22, 2018 11:24 pm
MarvhinMurillo wrote:Do resistors catch fire?

When a resistor has been overloaded with voltage exceeding its power rating, the resistor will become very hot to touch, darken considerably and possibly even melt or catch on fire.
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Wed Aug 22, 2018 11:30 pm
Melyssa120504* wrote:What are the major defects in resistor?

The most common faults in resistors are an open by excessive current and producing noise
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Julie Angala
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Thu Aug 23, 2018 11:49 pm
How much voltage can I put on the resistor?
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Annalovechumz
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Fri Aug 24, 2018 7:05 pm
what are the electrical/electronic components has resistor?
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Dave parescal
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Fri Aug 24, 2018 10:00 pm
What is resistor and its use?
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Aljerome Masdo
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Fri Aug 24, 2018 10:53 pm
What kind of materials are used in making a resistor?
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Aljerome Masdo
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Fri Aug 24, 2018 10:53 pm
How much voltage can I put on the resistor?
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Fri Aug 24, 2018 10:54 pm
What are the diffenrent sizes of a resistor?
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Fri Aug 24, 2018 11:46 pm
jakeryan wrote:What is a simple circuit?

Simple circuits that have a single DC voltage source and a single resistor are the easiest to calculate.
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Fri Aug 24, 2018 11:50 pm
Aljerome Masdo wrote:What are the diffenrent sizes of a resistor?
The most common through-hole resistors come in an axial package. The size of an axial resistor is relative to its power rating. A common ½W resistor measures about 9.2mm across, while a smaller ¼W resistor is about 6.3mm long. A half-watt (½W) resistor (above) sized up to a quarter-watt (¼W).
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Fri Aug 24, 2018 11:52 pm
Aljerome Masdo wrote:How much voltage can I put on the resistor?
The short answer is "don't do that." The voltage dropped by a resistor is given by Ohm's Law: V = I R. So if you know exactly how much current your device will draw, you could choose a resistor to drop exactly 7.5 V, and leave 4.5 V for your device, when that current is run through it.
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Fri Aug 24, 2018 11:53 pm
Aljerome Masdo wrote:What kind of materials are used in making a resistor?

Wirewound (WW) These types are made by winding resistance wire in a spiral around a non-conductive core. The resistance wire is usually a nickel-chromium alloy and the core is often ceramic or fiberglass. A coating such as vitreous enamel is used for protection.
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Fri Aug 24, 2018 11:54 pm
Dave parescal wrote:What is resistor and its use?
resistor is an electrical component that limits or regulates the flow of electrical current in an electronic circuit. Resistors can also be used to provide a specific voltage for an active device such as a transistor.
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Fri Aug 24, 2018 11:55 pm
Annalovechumz wrote:what are the electrical/electronic components has resistor?
Basic Electronics Components. An electronic circuit comprises of various types of components, which are classified into two types: active components like transistors, diodes, IC's; and passive components like capacitors, resistors, inductors, etc.
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Fri Aug 24, 2018 11:56 pm
Julie Angala wrote:How much voltage can I put on the resistor?
the short answer is "don't do that." The voltage dropped by a resistor is given by Ohm's Law: V = I R. So if you know exactly how much current your device will draw, you could choose a resistor to drop exactly 7.5 V, and leave 4.5 V for your device, when that current is run through it.
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Fri Aug 24, 2018 11:57 pm
ruselleeeee wrote:who invented the resistors?
Otis Boykin: Invented an Improved Electrical Resistor. The inventor Otis Frank Boykin, known for inventing the wire precision resistor, was born on August 29, 1920 in Dallas, Texas.
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Fri Aug 24, 2018 11:58 pm
ruselleeeee wrote:why there are different sizes of resistors?
Resistors come in a variety of shapes and sizes. They might be through-hole or surface-mount.
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Sat Aug 25, 2018 12:00 am
very informative, it will surely help me in my electrical studies. thankyou Smile
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