Electromagnetic Field Theory A satellite that simply reflect back the signals from one region of the earth to the other region is known as Active satellite Geostationary satellite Orbiting satellite Passive satellite Active satellite Geostationary satellite Orbiting satellite Passive satellite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now larger sphere will have greater potential. larger sphere will have smalled potential. both of sphere will have same potential. smaller sphere will have zero potential. larger sphere will have greater potential. larger sphere will have smalled potential. both of sphere will have same potential. smaller sphere will have zero potential. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to RBT. R2BT. R2B / T. 2RBT. RBT. R2BT. R2B / T. 2RBT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes 100 μ v/m. None of above. - 100 μ v/m. 0. 100 μ v/m. None of above. - 100 μ v/m. 0. 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 medium is said to be isotropic when ∈ = μ. ∈ is a scalar constant. ∈ is zero. ∈ = μσ. ∈ = μ. ∈ is a scalar constant. ∈ is zero. ∈ = μσ. ANSWER DOWNLOAD EXAMIANS APP