Here is an essay on ‘Sonar’ for class 8, 9, 10, 11 and 12. Find paragraphs, long and short essays on ‘Sonar’ especially written for school and college students. Essay on Sonar Essay Contents: Essay on the Definition of Sonar Essay on the Types of Sonar Essay on the Range Estimated for Sonar Essay on the Bearing estimation in Sonar [...]
In this article we will discuss about the construction and working of thermionic generator with the help of a suitable diagram. i. A thermionic converter/generator comprises a heated cathode (electron emitter) and an anode (electron collector) separated by 'vacuum', the electrical output circuit being connected between the two as shown in the Fig. 9.7. ii. The heat which is [...]
In this article we will discuss about the working of electrostatic mechanical generators with the help of a suitable diagram. Electrostatic mechanical generators convert mechanical energy, usually mechanical potential energy of a fluid, directly into electrical energy. Fig. 9.27 shows the principle of working of liquid drop electrostatic mechanical generator. In this, the gravitational potential energy of water droplets is [...]