What is the function of variable resistance? If you want to control the flow of current in your circuit design, choose from our selection of …
What are the types of sweep generator?
What are the types of sweep generator? The three types of voltage sweep generators considered in this chapter include exponential sweep generators, Miller’s sweep generators, …
What is difference between motor and gearbox?
What is difference between motor and gearbox? A gearbox—otherwise known as a gear reducer or speed reducer—is a set of gears that can be added …
What is a fixed resistor and why is it used in circuits?
What is a fixed resistor and why is it used in circuits? Resistance definition The device or component used to restrict the flow of electric …
What is relation of modulating frequency and carrier frequency?
What is relation of modulating frequency and carrier frequency? 2.2 Frequency and Phase Modulation FM consists of a carrier frequency and an infinite number of …
What type of radiation feels warm?
What type of radiation feels warm? In addition, low-wavelength, non-visible infrared radiation can carry heat directly from warm objects to cooler objects. Infrared radiation is …
Which lead is positive on an electrolytic capacitor?
Which lead is positive on an electrolytic capacitor? The positive or anode side of the capacitor is marked with a “+” symbol. Since electrolytic capacitors …
Why transformers Cannot use direct current?
Why transformers Cannot use direct current? As mentioned before, transformers do not allow DC input to flow through. This is known as DC isolation. This …
What is the disadvantage of AC over DC?
What is the disadvantage of AC over DC? The peak value of A.C. is high and it is dangerous to use so better insulation is …
What kind of oil do you use for a hammer drill?
What kind of oil do you use for a hammer drill? Use a “non-oxidizing” oil, such as olive oil or rapeseed oil. What material are …
How does resistance behave in a series circuit?
How does resistance behave in a series circuit? The total resistance of a series circuit is equal to the sum of individual resistances. Voltage applied …