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. 10. 20. 5. 50. 10. 20. 5. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is 4. 1. 0.5. 2. 4. 1. 0.5. 2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 45° to the direction of field. 75° to the direction of field. 60° to the direction of field. 30° to the direction of field. 45° to the direction of field. 75° to the direction of field. 60° to the direction of field. 30° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Any capacitance even if present in the circuit will not be charged. Apparent power of the circuit is zero. Actual power of the circuit is zero. Reactive power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Apparent power of the circuit is zero. Actual power of the circuit is zero. Reactive power of the circuit is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is zero. increasing towards centre. decreasing towards centre. none of above. zero. increasing towards centre. decreasing towards centre. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The emf induced in a conductor rotating in bipolar field is DC. none of these. DC and AC both. AC. DC. none of these. DC and AC both. AC. ANSWER DOWNLOAD EXAMIANS APP
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