Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 24t. 4t3. 12t3. 12t. 24t. 4t3. 12t3. 12t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ is zero. ∈ = μσ. ∈ is a scalar constant. ∈ = μ. ∈ is zero. ∈ = μσ. ∈ is a scalar constant. ∈ = μ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Faraday Fleming Maxwell Lenz Faraday Fleming Maxwell Lenz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.15 J. 0.5 J. 1.15 J. 0.015 J. 0.15 J. 0.5 J. 1.15 J. 0.015 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The minimum height of outer atmosphere is 150 km 400 km 100 km 200 km 150 km 400 km 100 km 200 km ANSWER DOWNLOAD EXAMIANS APP
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? 20 mH. 10 mH. 0 mH. 5 mH. 20 mH. 10 mH. 0 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP