Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 8 V. 60 V. 80 V. 40 V. 8 V. 60 V. 80 V. 40 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be 4.5 2.5 3.5 1.5 4.5 2.5 3.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
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 1800 V. 200 V. 900 V. 0 V. 1800 V. 200 V. 900 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in which of the following? Point-to-point communication TV broadcast Radio astronomy All of these Point-to-point communication TV broadcast Radio astronomy All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The emf induced in a conductor rotating in bipolar field is none of these. DC. AC. DC and AC both. none of these. DC. AC. DC and AC both. 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. A = sinφ Ir. A = cosφ Ir - sinφ Ir. A = cosφ Ir + sinφ Iφ. A = cosφ Ir. A = sinφ Ir. A = cosφ Ir - sinφ Ir. A = cosφ Ir + sinφ Iφ. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS