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 0 V. 900 V. 200 V. 1800 V. 0 V. 900 V. 200 V. 1800 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Any of the above Horizontal suspended wire type Vertical grounded wire type Parabolic reflector type Any of the above Horizontal suspended wire type Vertical grounded wire type Parabolic reflector type ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 600. 300. 450. 150. 600. 300. 450. 150. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of electrons. electric field. neutrons. protons. electrons. electric field. neutrons. protons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the resistance of a conductor does not vary in accordance with the Ohms law it is known as bad conductor. non - linear conductor. non - conductor. reverse conductor. bad conductor. non - linear conductor. non - conductor. reverse conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 20 nj. 100 nj. 40 nj. 60 nj. 20 nj. 100 nj. 40 nj. 60 nj. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS