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How do manufacturers of resistors indicate the value of the resistance?
They use a color code. Colored bands on the resistor that tell the value. Some precision resistors have their value written on them.
When all resistors are equal value the total resistance is equal?
This depends on whether your resistors are in serial or parallel. If they are in serial, the value of the resistors just adds up, so : Val(total) = val(single) x n(umber of resistors) If they are in parallel, each added resistor lowers the total value, while the power rating rises : Val(t) = 1/ ( val(s) x n)
When do resistors short?
A; occasionally resistors short out especially at hi frequency hi voltage due to external contamination. But usually resistors open up or change to a hi value due to power overstress
How many 75K resistors must be put in parallel to provide a total resistance of 15K?
5000 For Parallel resistors: Rtotal = R / N Rtotal is total resistance R = Value of resistors N = number of resistors 15 = 75000 / N N = 5000
What are specifications of resistor?
The resistance, the precision of that value, the thermal or electrical environment, the style of indicating these values. There are wire-wound resistors, cracked carbon resistors, carbon resistors and so on.
How do manufacturers of resistors indicate the value of the resistance?
They use a color code. Colored bands on the resistor that tell the value. Some precision resistors have their value written on them.
What type of resistors can only have one ohmic value?
Fixed resistors have a single, predetermined ohmic value. These resistors come in various types such as carbon film, metal film, and wirewound, and their resistance value does not change once manufactured.
How does the experimental value compare to the real value for your resistors?
EXACTLY
Will the resistors ohmic value increase if you increase the voltage?
No.
What are the main condition for resistors in parallel?
Two resistors wired in parallel means that both resistors are soldered together to equal the value of a smaller resistor value. Both resistors will be connected to the same line on the circuit board and then both will terminate on the same final line they are assigned to. Thus, a pair of 100k ohm resistors can take the place of one 50k ohm.
Resistors which have only one ohmic value are called?
Fixed
What was the value of shipments in the electronic resistors industry in 2001?
The value of shipments in the electronic resistors industry in 2001 was $712.9 million, down from $981.7 million in 2000 and $970.6 million in 1999.
When all resistors are equal value the total resistance is equal?
This depends on whether your resistors are in serial or parallel. If they are in serial, the value of the resistors just adds up, so : Val(total) = val(single) x n(umber of resistors) If they are in parallel, each added resistor lowers the total value, while the power rating rises : Val(t) = 1/ ( val(s) x n)
What will happen if resistors are connected in DC motor?
The value and kind of resistors, connected in series or paralell, type of dc motor, what is the purpose, etc.
When do resistors short?
A; occasionally resistors short out especially at hi frequency hi voltage due to external contamination. But usually resistors open up or change to a hi value due to power overstress
How calculated the value of resistor that is to be used in particular circuit?
To read the value of a resistor: Resistors are color coded, you can use the chart found below And how accurate the values of resistors are is their tolerance, also found in the chart
How will you get 6.75 ohm resistance in combination of resistors bacause i have no any value resistor is available?
6.8 ohms is a standard value, and 6.8 is within 0.74% of 6.75. If you need a precise value, use a potentiometer or start playing with resistors, because resistors have tolerance and you will not be able to build an exact 6.75 by just looking at values - you need to measure combinations.
