Electromagnetic induction Which of the following is not a unit of inductance? Volt second per ampere Coulomb/volt ampere All of the listed here Hennry Volt second per ampere Coulomb/volt ampere All of the listed here Hennry ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Inductance only Resistance only Capacitance only Inductance and capacitance Inductance only Resistance only Capacitance only Inductance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A laminated iron core has reduced eddy-current losses because The magnetic flux is concentrated in the air gap of the core The laminations are insulated from each other The laminations are stacked vertically More wire can be used with less D.C. resistance in coil The magnetic flux is concentrated in the air gap of the core The laminations are insulated from each other The laminations are stacked vertically More wire can be used with less D.C. resistance in coil 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 28 mH 24 mH 3 mH 12 mH 28 mH 24 mH 3 mH 12 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The direction of induced e.m.f. can be found by Laplace's law Lenz's law Fleming's right hand rule Kirchhoff s voltage law Laplace's law Lenz's law Fleming's right hand rule Kirchhoff s voltage law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction 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 30 mH 36 mH 48 mH 38 mH 30 mH 36 mH 48 mH 38 mH ANSWER DOWNLOAD EXAMIANS APP