Electromagnetic Field Theory When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon The direction of the conductor The weight of the conductor None of these The value of current The direction of the conductor The weight of the conductor None of these The value of current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying 106 volts. 106 volts/sec. 106 Amp/sec. 106 Amp. 106 volts. 106 volts/sec. 106 Amp/sec. 106 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Unity Constant None of these Both A and B Unity Constant None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is zero. infinite. depends on magnetic movements outside the closed surface depends on magnetic movements inside the closed surface. zero. infinite. depends on magnetic movements outside the closed surface depends on magnetic movements inside the closed surface. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A potential field is given by V = 3x2 y – yz. The electric field at P(2, -1, 4) is 12 Ix - 8 Iy - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix - Iz V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix - Iz V/m. 12 Ix + 8 Iy + Iz V/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current at 10 amp, is 0.15 joule. 0.015 joule. 1.15 joule. 0.015 joule. 0.15 joule. 0.015 joule. 1.15 joule. 0.015 joule. ANSWER DOWNLOAD EXAMIANS APP