Top 350+ Solved Electromagnetics MCQ Questions Answer

a. aid the increasing current

b. tend to decrease the amount of cur-rent

c. produce current opposite to the in-creasing current

d. aid the applied voltage

a. laplace\s law

b. lenz\s law

c. fleming\s right hand rule

d. kirchhoff s voltage law

a. hysteresis losses

b. eddy current losses

c. both (a) and (b)

d. none of the above

a. flux density of the magnetic field

b. amount of flux cut

c. amount of flux linkages

d. rate of change of flux-linkages

a. permeability of the core

b. the number of their turns

c. cross-sectional area of their com-mon core

d. all of the above

a. more wire can be used with less d.c. resistance in coil

b. the laminations are insulated from each other

c. the magnetic flux is concentrated in the air gap of the core

d. the laminations are stacked vertf-cally

a. faraday

b. lenz

c. newton

d. coulomb

a. henry

b. coulomb/volt ampere

c. volt second per ampere

d. all of the above

a. voltage across the inductance

b. magnetic field

c. both (a) and (b)

d. neither (a) nor (b)

a. capacitance

b. inductance

c. resistance

d. all of the above

a. apparent power is zero

b. relative power is.zero

c. actual power of the circuit is zero

d. any capacitance even if present in the circuit will not be charged

a. ohm

b. henry

c. ampere turns

d. webers/metre

a. 64 a/s

b. 32 a/s

c. 16 a/s

d. 4 a/s

a. 4 mh

b. 5 mh

c. 6 mh

d. 12 mh

a. 32 mh

b. 38 mh

c. 40 mh

d. 48 mh