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Resistance
What material can be use to improve on the performance thermisor?
What materials can be used as thermistor? Thermistors are made from semiconductor materials, typically metallic oxides, using cobalt, manganese, or ni...
What are the advantages of using resistance?
What is the purpose of using resistance? In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, ...
What is the equivalent resistance of a 30 ohm and a 20 ohm resistor connected in parallel
What is the equivalent resistance of 30 and 10 ohm if they are connected in parallel? Detailed Solution. The Correct answer is 5 ohm. For resistances ...
A 20-ohm resistor and a 30-ohm resistor are connected in parallel to a 12-volt battery as shown
When two 20 ohm resistors are connected in series and the combination is connected across 10 volts what will be Thevenine voltage? Find the Equivalent...
What is the resistance of two 20 ohm resistors in series
What is the resistance of two resistors in series? The total resistance R of two or more resistors connected in series is the sum of the individual re...
Resistance to change
What causes resistance to change? Resistance occurs when employees don't understand how they fit in with the new way of doing things. For example, if ...
Disadvantages of photoresistor
What is the main disadvantage of the photoconductive cell? The major drawback of the photoconductive cells is that temperature variations cause substa...
Why do voltmeters have high resistance
Why do voltmeters have infinite resistance? Voltmeter resistance (connected in parallel to measuring points) forms a parallel path and draws current w...
Why should an ammeter have a very low resistance and a voltmeter a high resistance
Why should an ammeter have a low resistance and a voltmeter have high resistance? Ammeters should have low resistance as it is always connected in ser...
An ammeter should have resistance
What should be the resistance of an ammeter? For the ideal case, resistance of an ammeter is zero. Therefore, ammeter is made by connecting resistance...
What is the resistance value of this resistor
How do you find the resistance of a resistor? Your units are ohms for resistance, volts for voltage, and amps for current. This formula tells you that...
Ohms pronunciation
What does ohms mean in English? ohm. [ ōm ] The SI derived unit used to measure the electrical resistance of a material or an electrical device. One o...