ECE :: Electromagnetic Induction
- Which of the following inductor will have the least eddy current losses?
- Find the force acting on a conductor 3m long carrying a current of 50 amperes at right angles to a magnetic field having a flux density of 0.67 tesla
- Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be
- The polarity of the induced voltage can be determined by using the left-hand generator rule.
- A conductor 2 meters long moves at right angles to a magnetic field of flux density 1 tesla with a velocity of 12.5 m/s. The induced e.m.f. in the conductor will be
- If current in a conductor increases then according to Lenz's law self-induced voltage will
- Two coils have inductances of 8 mH and 18 mH and a coefficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be
- Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total 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
- Mutually inductance between two magnetically coupled coils depends on
Whatsapp
Facebook
