Electromagnetic Field Theory Which of the following represents ohms law All of these I = GV V = RI J = σE All of these I = GV V = RI J = σE ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil decreases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. increases because of stray capacitance as the frequency increases. decreases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. increases because of stray capacitance as the frequency increases. 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. aρv/4 C/m2. ρv/3 C/m2. aρv/3 C/m2. aρv C/m2. aρv/4 C/m2. ρv/3 C/m2. aρv/3 C/m2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which statement does not say that electrostatic field is conservative? If the curl of E is identically zero. The work done in a closed path inside the fields is zero. If is gradient of a scalar potential. The potential difference between two points is zero. If the curl of E is identically zero. The work done in a closed path inside the fields is zero. If is gradient of a scalar potential. The potential difference between two points is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor when connected across 220 V, 50 Hz supply consumes 100 W. From the above statement it can be concluded that the above statement is false. the inductor has ferrite core. the inductor is non linear. the inductor is made of thin wire. the above statement is false. the inductor has ferrite core. the inductor is non linear. the inductor is made of thin wire. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Cork Screw rule is used to find direction of electric field. direction of emf. direction of magnetic field. direction of current. direction of electric field. direction of emf. direction of magnetic field. direction of current. ANSWER DOWNLOAD EXAMIANS APP