Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 7640 N. 76400 N. 764 N. 76.4 N. 7640 N. 76400 N. 764 N. 76.4 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna With a reflector and one or more directors Only With one or more directors With a reflector With a reflector and one or more directors Only With one or more directors With a reflector ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor when connected across 220 V, 50 Hz supply consumes 100 W. From the above statement it can be concluded that the inductor has ferrite core. the inductor is non linear. the above statement is false. the inductor is made of thin wire. the inductor has ferrite core. the inductor is non linear. the above statement is false. the inductor is made of thin wire. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to R2B / T. 2RBT. RBT. R2BT. R2B / T. 2RBT. RBT. R2BT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Coulombs law for the force between electric charges most closely resembles with Newtons law of gravitation. Newtons law of motion. Gauss theorem. Law of conservation of energy. Newtons law of gravitation. Newtons law of motion. Gauss theorem. Law of conservation of energy. 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 20 W. 50 W. 25 W. 15 W. 20 W. 50 W. 25 W. 15 W. ANSWER DOWNLOAD EXAMIANS APP
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