Most often than not, the signal from the sensor in a measurement and control or monitoring system is very small (one millivolt or less) and a key step in signal conditioning is amplification. Therefore, the sensor is often connected to … Read more
Tag: Electric circuits
Root-mean-square (r.m.s.) value
We know that a current passing through a resistance has a heating effect, the magnitude of which we measure in watts, that is power is given by
This shows that power (or heat) dissipated in a resistance is proportional to … Read more
Basic Electric Circuits Questions and Answers
The answers have been provided towards the end of these questions:
- If a current of 10 A flowing for 2 minutes, find the quantity of electricity transferred.
- A mass of 5000 g is accelerated at 2 m/s2 by a