Related Questions

The size of air cored transducers in comparison to the iron core parts is
A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil?
The inductance of an iron-core coil decreases if
When number of turns in a coil is trippled, without any change in the length of coil, its self inductance becomes?
একটি স্টেপ আপ ট্রান্সফরমারে, গৌণ কুণ্ডলীর পাকসংখ্যা মুখ্য কুন্ডলীর পাকসংখ্যার দ্বিগুণ। যদি মূখ্য কুন্ডলীকে কোন পরিবর্তী বিদ্যুৎ লাইনের সাথে সংযুক্ত করা হয়, তাহলে মুখ্য কুণ্ডলীর তুলনায় গৌণ কুণ্ডলীতে- (In a step up transformer, the number of turns in the secondary coil is twice to that of primary coil. If you apply an alternating current in the primary coil, then in the secondary coil compared to the primary coil-)
The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of
Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be
A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by
If 1/2 of the air in a tank is removed with each stroke of a vacuum pump, what fraction of the original amount of air has been removed after four strokes ?
If 1/2 of the air in a tank is removed with each stroke of a vacuum pump,what fraction of the original amount of air has been removed after 4 strokes?