Electromagnetic Field Theory 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 14.40 V. 2.88 V. 1.4 V. 28.8 V. 14.40 V. 2.88 V. 1.4 V. 28.8 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Retentivity. Coercivity. Saturation magnetism. Hysteresis. Retentivity. Coercivity. Saturation magnetism. Hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be alternating. none of these. steady. pulsating. alternating. none of these. steady. pulsating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two point charges (Q and – Q) are situated at the vertex of the square. If potential at another vertex is 2 V, so potential at opposite vertex (diagonally) is 1 V. 2 V. Zero. √ 2 V. 1 V. 2 V. Zero. √ 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger wavelength than in the free space Larger frequency than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger wavelength than in the free space Larger frequency than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory ________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field. Electric intensity. Electric flux. Magnetic flux density. None of these Electric intensity. Electric flux. Magnetic flux density. None of these ANSWER DOWNLOAD EXAMIANS APP
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