Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is – 10 uz v/m. – 72 πuz v/m. – 360 πuz v/m. – 18 πuz v/m. – 10 uz v/m. – 72 πuz v/m. – 360 πuz v/m. – 18 πuz v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is 2. 4. 8. 3. 2. 4. 8. 3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is directly proportional to the square of the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Due to which of the following reasons a lightning conductor on top of a building is made into a pointed spike? Charge per unit area becomes very high for lightening to discharge Dust particles may not accumulate Rain drops may not collect None of these Charge per unit area becomes very high for lightening to discharge Dust particles may not accumulate Rain drops may not collect None of these 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 perpendicular to the circumference of the wire. none of above. parallel to the plane of the wire. parallel to half portion and perpendicular for the other half. perpendicular to the circumference of the wire. none of above. parallel to the plane of the wire. parallel to half portion and perpendicular for the other half. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A negative point charge q = - 40 nC is moving with velocity of 6 × 106 m/s in a direction specited by unit vector uy + 0.6 uz. Find the magnitude of force vector on the moving particle by the field B = 2 ux + 3 uy + 5 uz mT and E = 2 ux - 3 uy + 5 uz KV/m 1144 μN. 144 μN. 1440 μN. 244 μN. 1144 μN. 144 μN. 1440 μN. 244 μN. ANSWER DOWNLOAD EXAMIANS APP
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