MGVCL Exam Paper (30-07-2021 Shift 1) An electric potential field is produced in air by point 1 μC and 4 μC located at (-2, 1, 5) and (1, 3, -1) respectively. The energy stored in the field is 12.50 mJ 5.14 mJ 10.28 mJ 2.57 mJ 12.50 mJ 5.14 mJ 10.28 mJ 2.57 mJ ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) A transformer designed for operation at 60 Hz supply is working at 50 Hz supply system without changing its voltage and current ratings. Compared to the full load efficiency at 60 Hz, the full load transformer efficiency at 50 Hz. increases by 30% increases marginally decreases marginally remains unaltered increases by 30% increases marginally decreases marginally remains unaltered ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) In Microsoft Word, which of the following menu is used to add Headings that are displayed automatically in the top margin of all pages? Format Menu Tools Menu View Menu Insert Menu Format Menu Tools Menu View Menu Insert Menu ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) Replace the underlined phrase in braket grammatically and conceptually with the help of the given options. If the given sentence is correct then select the option 'The given sentence is correct'.The new client had to pay money to initiates a account and activate their service had to pay money to initiate an have to pay money to initiate an had to pay money to initiate a The given sentence is correct had to pay money to initiate an have to pay money to initiate an had to pay money to initiate a The given sentence is correct ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) A coil having an inductance of 100 mH is magnetically coupled to another coil having an inductance of 900 mH. The coefficient of coupling between the coils is 0.45. Calculate the equivalent inductance if the two coils are connected in series aiding. 730 mH 932 mH 1135 mH 1270 mH 730 mH 932 mH 1135 mH 1270 mH ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Mutual inductance (M) = k*√(L1*L2)k = 0.45M = 0.45*√(900*100*10⁻⁶) = 135 mHLeq = L1 + L2 + 2MLeq = 900 + 100 + 270Leq = 1270 mH
MGVCL Exam Paper (30-07-2021 Shift 1) The air envelope surrounding the earth is called ___ Atmosphere Lithosphere Asthenosphere Hydrosphere Atmosphere Lithosphere Asthenosphere Hydrosphere ANSWER DOWNLOAD EXAMIANS APP
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