Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = E / σ. R = ρ × ( l / A). J = σE. V = IR. J = E / σ. R = ρ × ( l / A). J = σE. V = IR. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is BIL. zero. Bil cosθ. Bil sinθ. BIL. zero. Bil cosθ. Bil sinθ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna Only With a reflector With one or more directors With a reflector and one or more directors Only With a reflector With one or more directors With a reflector and one or more directors ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a thermocouple. generator. choke. transformer. thermocouple. generator. choke. transformer. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.59 m. 1.39 m. 1.19 m. 1.29 m. 1.59 m. 1.39 m. 1.19 m. 1.29 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Any capacitance even if present in the circuit will not be charged. Reactive power of the circuit is zero. Actual power of the circuit is zero. Apparent power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Reactive power of the circuit is zero. Actual power of the circuit is zero. Apparent power of the circuit is zero. ANSWER DOWNLOAD EXAMIANS APP