Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 7640 N. 764 N. 76400 N. 76.4 N. 7640 N. 764 N. 76400 N. 76.4 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the VHF UHF HF VLF VHF UHF HF VLF ANSWER DOWNLOAD EXAMIANS APP
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 48 mH. 24 mH. 12 mH. 3 mH. 48 mH. 24 mH. 12 mH. 3 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Coulombs law for the force between electric charges most closely resembles with Law of conservation of energy. Gauss theorem. Newtons law of motion. Newtons law of gravitation. Law of conservation of energy. Gauss theorem. Newtons law of motion. Newtons law of gravitation. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is 1. 2. 4. 0.5. 1. 2. 4. 0.5. 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? 20 mH. 5 mH. 0 mH. 10 mH. 20 mH. 5 mH. 0 mH. 10 mH. ANSWER DOWNLOAD EXAMIANS APP