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 12t3. 12t. 4t3. 24t. 12t3. 12t. 4t3. 24t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as mutual inductance. capacitance. series aiding inductance. self inductance. mutual inductance. capacitance. series aiding inductance. self inductance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An inductor designed with 400 turns coil wound on an iron core of 16 cm2 cross sectional area and with a cut of air gap length of 1 mm. The coil is connected to a 230 V, 50 Hz supply. Neglected coil resistance, core loss, iron reluctance and leakage inductance. Find the current in the inductor. 9.04 A. 4.56 A. 18.08 A. 2.28 A. 9.04 A. 4.56 A. 18.08 A. 2.28 A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 32 A / s. 16 A / s. 64 A / s. 4 A / s. 32 A / s. 16 A / s. 64 A / s. 4 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A monopole. A quardra pole. Both of A and B. A dipole. A monopole. A quardra pole. Both of A and B. A dipole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Elliptical Circle Cardoid or Limacon Semicircle Elliptical Circle Cardoid or Limacon Semicircle ANSWER DOWNLOAD EXAMIANS APP
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