Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be alternating. steady. none of these. pulsating. alternating. steady. none of these. pulsating. 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 2RBT. R2B / T. RBT. R2BT. 2RBT. R2B / T. RBT. R2BT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 7.5 N. 3.75 N. 15 N. 20 N. 7.5 N. 3.75 N. 15 N. 20 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 50. 5. 10. 20. 50. 5. 10. 20. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement is correct for divergence of electric and magnetic flux densities? Both are zero. It is zero for the electric flux density. It is zero for the magnetic flux density. These are zero for static densities but non zero for time varying densities. Both are zero. It is zero for the electric flux density. It is zero for the magnetic flux density. These are zero for static densities but non zero for time varying densities. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Folded dipole Square loop Log-periodic Conical horn Folded dipole Square loop Log-periodic Conical horn ANSWER DOWNLOAD EXAMIANS APP
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