Electromagnetic Field Theory The Biot-savarts law is a general modification of Kirchhoffs law. Faradays law. Amperes law. Lenzs law. Kirchhoffs law. Faradays law. Amperes law. Lenzs law. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Cork Screw rule is used to find direction of current. direction of emf. direction of electric field. direction of magnetic field. direction of current. direction of emf. direction of electric field. direction of magnetic field. 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 R2B / T. R2BT. RBT. 2RBT. R2B / T. R2BT. RBT. 2RBT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils are coupled in such a way that the mutual inductance between them is 20 mH. If the inductances of the coils are 40 mH and 50 mH respectively, the coefficient of coupling is 0.577. 0.477. 0.01. 0.447. 0.577. 0.477. 0.01. 0.447. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The lagging of flux density behind the applied magnetising force is known as permeance. flux. All of these hysteresis. permeance. flux. All of these hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A coil of 300 turns is wound on a non magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The inductance of the coil corresponding to a magnetizing current of 6 A will be 3.768 μH. 37.68 μH. 1.1304 μH. 113.04 μH. 3.768 μH. 37.68 μH. 1.1304 μH. 113.04 μH. ANSWER DOWNLOAD EXAMIANS APP