query: Why are relays used in circuits when we have transistors?
positive_passages.docid: 154105
positive_passages.text: Relay vs. Transistor?
negative_passages.docid: 57802
negative_passages.text: Is it good practice to parallel relay contacts for increased current capacity?
negative_passages.docid: 61042
negative_passages.text: Why is base resistor of a transistor important?
negative_passages.docid: 17969
negative_passages.text: Why can't two series-connected diodes act as a BJT?
negative_passages.docid: 108443
negative_passages.text: BJT as a switch: what am I doing wrong?
negative_passages.docid: 86311
negative_passages.text: Why do we use capacitors in parallel with DC motors?
negative_passages.docid: 116982
negative_passages.text: Why is there a diode connected in parallel to a relay coil?
negative_passages.docid: 132651
negative_passages.text: Transistors: Quiescent voltage and Active mode
negative_passages.docid: 51824
negative_passages.text: Why JFET is called a voltage controlled device while BJT is called a current controlled device?
negative_passages.docid: 23505
negative_passages.text: Usage of a transistor configured as diode
negative_passages.docid: 57587
negative_passages.text: Why do we need an isolation transformer to connect an oscilloscope?
negative_passages.docid: 78057
negative_passages.text: What is the physical explanation for energy transport in simple electrical circuits?
negative_passages.docid: 113480
negative_passages.text: Using voltage divider in a circuit
negative_passages.docid: 59317
negative_passages.text: Why do circuits work so fast?
negative_passages.docid: 150672
negative_passages.text: What's the purpose of two capacitors in parallel?
negative_passages.docid: 106586
negative_passages.text: How to amplify 3.3V to 10V by using an NPN transistor? How to select resistor based on current, how does the amplification happen?
negative_passages.docid: 79626
negative_passages.text: What is the purpose of the emitter resistor in a common emitter amplifier?