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 12t. 4t3. 12t3. 24t. 12t. 4t3. 12t3. 24t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a transformer. generator. choke. thermocouple. transformer. generator. choke. thermocouple. 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? 5 mH. 20 mH. 10 mH. 0 mH. 5 mH. 20 mH. 10 mH. 0 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω. ω / π. ω/4π. ω/2π. ω. ω / π. ω/4π. ω/2π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite non conducting sheet of charge has σ of 10-7 c/m3. Equipotential surface for a potential of 10 volts is. 0. 1.32 mm. 0.88 mm. 1.77 mm. 0. 1.32 mm. 0.88 mm. 1.77 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be BL2I. BI2L. zero. BIL. BL2I. BI2L. zero. BIL. ANSWER DOWNLOAD EXAMIANS APP