Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 5 mH. 10 mH. 0 mH. 20 mH. 5 mH. 10 mH. 0 mH. 20 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to (potential gradient)1/2. (potential gradient)1/3. (potential gradient)2. potential gradient. (potential gradient)1/2. (potential gradient)1/3. (potential gradient)2. potential gradient. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The drawback of Daltons atomic structure is that, it says the atoms can neither be created nor be destroyed. most of the volume of an atom is empty space. unique nature of atom. none of these. the atoms can neither be created nor be destroyed. most of the volume of an atom is empty space. unique nature of atom. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ is a scalar constant. ∈ is zero. ∈ = μ. ∈ = μσ. ∈ is a scalar constant. ∈ is zero. ∈ = μ. ∈ = μσ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 8 π V. 0.4 π V. 0.8 π V. Zero. 8 π V. 0.4 π V. 0.8 π V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 900 V. 0 V. 1800 V. 200 V. 900 V. 0 V. 1800 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP