MGVCL Exam Paper (30-07-2021 Shift 3) દ્રશ્ય' શબ્દનો વિરુદ્ધાર્થ શબ્દ આપેલો વિકલ્પોમાંથી કયો છે? દ્રષ્ટિ અદ્રશ્ય દ્રશ્યમાન દ્રષ્ટિવંત દ્રષ્ટિ અદ્રશ્ય દ્રશ્યમાન દ્રષ્ટિવંત ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) What is the value of the characteristic impedance of a transmission line with impedance and admittance of 15 and 5? 0.7.7 0.577 1.732 1.414 0.7.7 0.577 1.732 1.414 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Characteristic impedance = √(impedance/admittance) = 1.73
MGVCL Exam Paper (30-07-2021 Shift 3) What is the value of capacitance of a capacitor which has a voltage of 4 V and has 16 C of charge? 8 F 4 F 2 F 16 F 8 F 4 F 2 F 16 F ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equation is given by:C = Q/V= 16/4= 4 F
MGVCL Exam Paper (30-07-2021 Shift 3) What items should be considered when looking at a site for a new transformer installation? Soils Report All of these Site Survey Environmental impact Soils Report All of these Site Survey Environmental impact ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Points should be consider for new transformer installation:LocationEnvironmental impactSoils conditionSurvey of landVentilationGroundingWiringFluid checkInspection
MGVCL Exam Paper (30-07-2021 Shift 3) If the phase velocity of a plane wave in a perfect dielectric is 0.4 times its value in free space, then what is the relative permittivity of the dielectric? 6.25 2.5 4.25 1.25 6.25 2.5 4.25 1.25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The equation is given by:Vp (Phase velocity) = (Velocity of light in free space/Phase velocity)²= (1/0.4)²= 6.25
MGVCL Exam Paper (30-07-2021 Shift 3) The magnetizing inrush current in a transformer is rich in the harmonic component. fifth second third seventh fifth second third seventh ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2nd harmonics contains - 60 to 55 %3rd harmonics contains - 40 - 50%
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