An op-amp comparator circuit uses which of the following
a. positive feedback
b. negative feedback
c. active feedback
d. no feedback
Answer Posted / parivel
Positive feedback
| Is This Answer Correct ? | 4 Yes | 5 No |
Post New Answer View All Answers
what are the differences between dcs & plc & scada?
How to calculate knee point voltage? Describe its purpose for differential protection.
what are types of walsh code in cdma.
What is half-adder?
regarding bsnl jto examination,can i use the printout of application format mentioned in the advertisement.
Describe the operation of series inverter with aid of diagrams. Describe an expression for output frequency, current and voltages. What are the disadvantages of basic series inverter?
What is hard switching of the thyristor?
Explain the approximate cost of the following corrosion monitoring systems. Smart pebbles eci-1(embedded corrosion instrument) monitoring cables time domain reflectometry &corrosion penetration monitoring system(cpmp)?
diff between AMD64 and intel P4
What is the between demultiplexer and decoder?
What is the chemical composition of the substance used as feed horn? And how many types of feedor are there?
What is meant by commutation?
what is the role of electronics,communication engg. in IT industry?
what is a voltage controlled oscillator?
What is meant by delay angle?