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 28.8 V. 1.4 V. 14.40 V. 2.88 V. TRUE ANSWER : ? YOUR ANSWER : ?
In H-plane metal plate lens the travelling wave front is Accelerated Retarded Neither accelerated nor retarded Totally retarded TRUE ANSWER : ? YOUR ANSWER : ?
For an inductor, current is proportional to voltage across the inductor. magnetic field. none of them. both (A) and (B). TRUE ANSWER : ? YOUR ANSWER : ?
The electric flux is given D = (2y2 + z) Ix + 4xy Iy + x Iz C/m2. The volume charge density at point (-1, 0, 3) is - 2 C/m3. - 8 C/m3. 0 C/m3. - 4 C/m3. TRUE ANSWER : ? YOUR ANSWER : ?
It was suggested by _____________ that the electric field should be imagined to be divided into tubes of force containing a fixed number of line of force Kelvin. Faraday. all of above. Newton. TRUE ANSWER : ? YOUR ANSWER : ?
Electric field intensity (E) at ant point in an electric field is equal to potential gradient. (potential gradient)1/3. (potential gradient)1/2. (potential gradient)2. TRUE ANSWER : ? YOUR ANSWER : ?
The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.5 J. 0.015 J. 0.15 J. 1.15 J. TRUE ANSWER : ? YOUR ANSWER : ?
A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is 1.31 V. 2.62 V. 2.52 V. 1.26 V. TRUE ANSWER : ? YOUR ANSWER : ?
According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when The impedance of one is equal to that of the other None of these The impedance of one is the complex conjugate of the other The impedance of one of the networks is half that of the other TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement is correct for divergence of electric and magnetic flux densities? It is zero for the magnetic flux density. Both are zero. It is zero for the electric flux density. These are zero for static densities but non zero for time varying densities. TRUE ANSWER : ? YOUR ANSWER : ?