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 4t3. 24t. 12t3. 12t. 4t3. 24t. 12t3. 12t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? None of above. 0.335 C. 0.335/sinθ c. 0. None of above. 0.335 C. 0.335/sinθ c. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The drawback of Daltons atomic structure is that, it says most of the volume of an atom is empty space. unique nature of atom. the atoms can neither be created nor be destroyed. none of these. most of the volume of an atom is empty space. unique nature of atom. the atoms can neither be created nor be destroyed. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 25 V. 50 V. 100 V. 75 V. 25 V. 50 V. 100 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Unit of electric flux density is farad / meter. weber / meter2. coulomb / meter2. coulomb. farad / meter. weber / meter2. coulomb / meter2. coulomb. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to 2RBT. RBT. R2BT. R2B / T. 2RBT. RBT. R2BT. R2B / T. ANSWER DOWNLOAD EXAMIANS APP