Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to aρv/3 C/m2. aρv C/m2. aρv/4 C/m2. ρv/3 C/m2. aρv/3 C/m2. aρv C/m2. aρv/4 C/m2. ρv/3 C/m2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The emf induced in a conductor rotating in bipolar field is AC. none of these. DC and AC both. DC. AC. none of these. DC and AC both. DC. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It was suggested by _____________ that the electric field should be imagined to be divided into tubes of force containing a fixed number of line of force all of above. Newton. Faraday. Kelvin. all of above. Newton. Faraday. Kelvin. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 3.2 mH. 3.2 H. 3.2 µH. 32 mH. 3.2 mH. 3.2 H. 3.2 µH. 32 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Saturation magnetism. Coercivity. Retentivity. Hysteresis. Saturation magnetism. Coercivity. Retentivity. Hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the Power radiated per unit solid angle in that direction Energy radiated per square metre Power radiated per square metre None of these Power radiated per unit solid angle in that direction Energy radiated per square metre Power radiated per square metre None of these ANSWER DOWNLOAD EXAMIANS APP
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