Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on Permeability of the core All of the listed here The number of their turns Cross-sectional area of their common core Permeability of the core All of the listed here The number of their turns Cross-sectional area of their common core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The law that the induced e.m.f. and current always oppose the cause producing them is due to Coulomb Newton Faraday Lenz Coulomb Newton Faraday Lenz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 3 mH 48 mH 12 mH 24 mH 3 mH 48 mH 12 mH 24 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 300 uH 900 uH 1200 uH 600 uH 300 uH 900 uH 1200 uH 600 uH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction 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 300 N 100 N 400 N 1000 N 300 N 100 N 400 N 1000 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? Coulomb/volt ampere Volt second per ampere Hennry All of the listed here Coulomb/volt ampere Volt second per ampere Hennry All of the listed here ANSWER DOWNLOAD EXAMIANS APP