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. 25 W. 50 W. 20 W. 15 W. 25 W. 50 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be parallel to the plane of the wire. perpendicular to the circumference of the wire. parallel to half portion and perpendicular for the other half. none of above. parallel to the plane of the wire. perpendicular to the circumference of the wire. parallel to half portion and perpendicular for the other half. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. low permeability. low hysteresis loss. high permeability. both a and b. low permeability. low hysteresis loss. high permeability. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Self inductance of magnetic coil is proportional to N. 1 / N2. 1 / N. N2. N. 1 / N2. 1 / N. N2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon None of these The weight of the conductor The direction of the conductor The value of current None of these The weight of the conductor The direction of the conductor The value of current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 12t3. 24t. 4t3. 12t. 12t3. 24t. 4t3. 12t. ANSWER DOWNLOAD EXAMIANS APP