Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Inductance and capacitance Capacitance only Resistance only Inductance only Inductance and capacitance Capacitance only Resistance only Inductance only 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 1000 N 400 N 300 N 100 N 1000 N 400 N 300 N 100 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be Quadrupled Halved Doubled Unaffected Quadrupled Halved Doubled Unaffected ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Reduced inductance Increased inductance Unchanged inductance Zero inductance Reduced inductance Increased inductance Unchanged inductance Zero inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction As per Faraday's laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it Moves parallel to the direction of the magnetic field Cuts magnetic flux Lies in a magnetic field Lies perpendicular to the magnetic flux Moves parallel to the direction of the magnetic field Cuts magnetic flux Lies in a magnetic field Lies perpendicular to the magnetic flux 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 48 mH 36 mH 38 mH 30 mH 48 mH 36 mH 38 mH ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS