Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is inversely proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of cross-sectional area of conductor. length of conductor. current flowing through the conductor. flux density. cross-sectional area of conductor. length of conductor. current flowing through the conductor. flux density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be 2.88 V. 14.40 V. 28.8 V. 1.4 V. 2.88 V. 14.40 V. 28.8 V. 1.4 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A vector field A = p In is given in Cartesian coordinates. In cylindrical coordinates it will be represented as A = cosφ Ir - sinφ Ir. A = sinφ Ir. A = cosφ Ir + sinφ Iφ. A = cosφ Ir. A = cosφ Ir - sinφ Ir. A = sinφ Ir. A = cosφ Ir + sinφ Iφ. A = cosφ Ir. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Any of the above Use of larger section of conductor Providing insulation on conductor Top loading of antenna Any of the above Use of larger section of conductor Providing insulation on conductor Top loading of antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Self inductance of magnetic coil is proportional to N. 1 / N. N2. 1 / N2. N. 1 / N. N2. 1 / N2. ANSWER DOWNLOAD EXAMIANS APP
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