Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called static induced emf. None of these both A and B. dynamically induced emf. static induced emf. None of these both A and B. dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 1800 V. 900 V. 200 V. 0 V. 1800 V. 900 V. 200 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. low hysteresis loss. high permeability. low permeability. both a and b. low hysteresis loss. high permeability. low permeability. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 ux N. - 5 × 10-5 uy N. 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 ux N. - 5 × 10-5 uy N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V. 2.5T. 0.5T. 10T. 5T. 2.5T. 0.5T. 10T. 5T. 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 12 mH. 48 mH. 3 mH. 24 mH. 12 mH. 48 mH. 3 mH. 24 mH. ANSWER DOWNLOAD EXAMIANS APP
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