The self inductances of two coils are 8 mH and 18 mH. If the co-efficients of coupling is 0.5, the mutual inductance of the coils is

Related MCQs

• 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
• Two coils have inductances of 8 mH and 18 mH and a co-efficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be
• Two 300 uH coils in series without mutual coupling have a total inductance of
• Mutually inductance between two magnetically-coupled coils depends on
• The co-efficient of coupling between two air core coils depends on
• A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be
• Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be
• Higher the self-inductance of a coil,
• When both the inductance and resistance of a coil are doubled the value of
• Find the characteristic impedance expression in terms of the inductance and capacitance parameters.