Electromagnetic induction Which of the following inductor will have the least eddy current losses? Iron core Powdered iron core Laminated iron core Air core Iron core Powdered iron core Laminated iron core Air core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 900 uH 600 uH 1200 uH 300 uH 900 uH 600 uH 1200 uH 300 uH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The direction of induced e.m.f. can be found by Kirchhoff s voltage law Fleming's right hand rule Lenz's law Laplace's law Kirchhoff s voltage law Fleming's right hand rule Lenz's law Laplace's law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ohm Ampere turns Weber/metre Hennry Ohm Ampere turns Weber/metre Hennry ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The polarity of the induced voltage can be determined by using the left-hand generator rule. Yes No Yes No 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 38 mH 48 mH 36 mH 30 mH 38 mH 48 mH 36 mH 30 mH ANSWER DOWNLOAD EXAMIANS APP