Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 2 N. 5 N. 2.5 N. 3.75 N. 2 N. 5 N. 2.5 N. 3.75 N. 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 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. the inductor has ferrite core. the inductor is non linear. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is double the field produced by one plate. dependent on coordinates of field points. same as that produced by one plate. zero. double the field produced by one plate. dependent on coordinates of field points. same as that produced by one plate. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0. 0.335 C. 0.335/sinθ c. None of above. 0. 0.335 C. 0.335/sinθ c. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will increase. decrease. remain the same. initially increase and then decrease. increase. decrease. remain the same. initially increase and then decrease. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another Unit vector Scalar Vector None of these Unit vector Scalar Vector None of these ANSWER DOWNLOAD EXAMIANS APP
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