1) what is the relation between wave spread area - frequency and uH? 2) we use trim capasistor to tune. how its capasitance depends upon coil,frequency and power?
You need to study RLC circuits - formally - Get a Circuit analysis book and study it. This is too heady of a question to answer here. Read specifically resonace circuits.
Recommend beginner electronics tutorials and forums
Hi Vishnu, We are happy to offer the best advice and wisdom we can, but we may be a little unresponsive when a questioner has apparently not done any basic study.
To obtain an understanding of electronics, the following sites offer free courses of instruction and advice for beginners. Have look at a few, and discover which one(s) suit your approach. Start with simple projects and work your way up.
Many sites have a user forum for asking questions on any technical aspect.
Old (allegedly Chinese) proverb: “A journey of a thousand miles begins with but a single step.”
www.learnabout-electronics.org/index.php - Descriptions of components and principles, good diagrams, animations, & fault-finding techniques
