Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 3 mH. 12 mH. 48 mH. 24 mH. 3 mH. 12 mH. 48 mH. 24 mH. 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. 64 A / s. 16 A / s. 4 A / s. 32 A / s. 64 A / s. 16 A / s. 4 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem, if the inductance L1 and L2 in series aiding with 30 mH mutual inductance, then total inductance will be 150 mH. 50 mH. 200 mH. 100 mH. 150 mH. 50 mH. 200 mH. 100 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Copper conductors. Commutator. Electric current. Electric fields. Copper conductors. Commutator. Electric current. Electric fields. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A negative point charge q = - 40 nC is moving with velocity of 6 × 106 m/s in a direction specited by unit vector uy + 0.6 uz. Find the magnitude of force vector on the moving particle by the field B = 2 ux + 3 uy + 5 uz mT and E = 2 ux - 3 uy + 5 uz KV/m 144 μN. 1144 μN. 244 μN. 1440 μN. 144 μN. 1144 μN. 244 μN. 1440 μN. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger incident wave A stronger reflected wave None of these A standing wave which is not progressing A stronger incident wave A stronger reflected wave None of these A standing wave which is not progressing ANSWER DOWNLOAD EXAMIANS APP
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