Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Retentivity. Hysteresis. Saturation magnetism. Coercivity. Retentivity. Hysteresis. Saturation magnetism. Coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 3.2 mH. 3.2 H. 32 mH. 3.2 µH. 3.2 mH. 3.2 H. 32 mH. 3.2 µH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is attractive. none of above. zero. repulsive. attractive. none of above. zero. repulsive. 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 fields. Electric current. Copper conductors. Commutator. Electric fields. Electric current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is – ½. 2/3. – 1/3. 1/3. – ½. 2/3. – 1/3. 1/3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A charge which when placed in vacuum from an equal and similar charge repels with a force of 9 × 103 N, is known as pico - coulomb. micro - coulomb. milli - coulomb. coulomb. pico - coulomb. micro - coulomb. milli - coulomb. coulomb. ANSWER DOWNLOAD EXAMIANS APP