Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very low Infinite Zero Very high Very low Infinite Zero Very high ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 0.6m. 6.25m. 0.5m. 5.25m. 0.6m. 6.25m. 0.5m. 5.25m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 2 A/m. 1 A/m. 4 A/m. 8 A/m. 2 A/m. 1 A/m. 4 A/m. 8 A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Faraday Lenz Maxwell Fleming Faraday Lenz Maxwell Fleming ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 15 W. 50 W. 25 W. 20 W. 15 W. 50 W. 25 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric current. Electric fields. Commutator. Copper conductors. Electric current. Electric fields. Commutator. Copper conductors. ANSWER DOWNLOAD EXAMIANS APP