Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 12 joules. 24 joules. 15 joules. 30 joules. 12 joules. 24 joules. 15 joules. 30 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to aρv C/m2. ρv/3 C/m2. aρv/3 C/m2. aρv/4 C/m2. aρv C/m2. ρv/3 C/m2. aρv/3 C/m2. aρv/4 C/m2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be at angle of 45° with the axis. parallel to axis. perpendicular to the axis. zero. at angle of 45° with the axis. parallel to axis. perpendicular to the axis. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory ________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field. Magnetic flux density. Electric flux. Electric intensity. None of these Magnetic flux density. Electric flux. Electric intensity. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.15 J. 0.015 J. 0.5 J. 1.15 J. 0.15 J. 0.015 J. 0.5 J. 1.15 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the unit of magnetic charge Coulomb. Ampere meter. Ampere-meter square. Ampere. Coulomb. Ampere meter. Ampere-meter square. Ampere. ANSWER DOWNLOAD EXAMIANS APP
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