MGVCL EXAM PAPER (30-07-2021 SHIFT 3) QUIZ

In a series RLC circuit, the supply voltage is 230 V at 50 Hz. The resonant current is 2 A at the resonant frequency of 50 Hz. Under the resonant condition, the voltage across the capacitor is measured to be equal to 460 V. What are the values of L and C?

0.53 mH and 15.83 pF

0.73 H and 13.85 pF

0.53 H and 15.83 pF

0.73 mH and 13.85 pF

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Arunachal Pradesh does not share its borders with which one of the following nations?

Bangladesh

Myanmar

China

Bhutan

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નીચે પૈકી કેટલી કહેવતો વિરુદ્ધાથીઁ છે?.<br/>1. પાંચ બોલે તે પરમેશ્વર - ગામને મોઢે ગળણું ન બંધાય.<br/>2. ચોરની ચાર અને જોનારની બે - વિશ્વાસે વહાણ ચાલે.<br/>3. ખાલી ચણો વાગે ઘણો - અધુરો ઘડો છલકાય.<br/>4. હાથના કર્યા હૈયે વાગ્યા - દીવો લઈને કૂવામાં પડવું

એક પણ નહિ

કુલ 1

કુલ 3

બધી કહેવતો સમાનર્થી છે

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What is the value of the characteristic impedance of a transmission line with impedance and admittance of 15 and 5?

1.732

0.577

1.414

0.7.7

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A 200/400 V, 20 kVA, 2-winding transformer is connected as an auto-transformer to transform 600 V to 200 V. Calculate the kVA rating of the auto-transformer.

30 kVA

50 kVA

60 kVA

25 kVA

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A conductor having surface density is embedded in a dielectric medium of permittivity. The electric field in the medium is E. If it is known that the pressure p on the conductor surface is equal to the electric energy density in the medium, then p (in SI unit)is given by

σ/(4πε)

σ²/(4π)

σ²/(2πε)

σ²/(2ε)

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What is the value of capacitance of a capacitor which has a voltage of 4 V and has 16 C of charge?

2 F

4 F

8 F

16 F

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Consider the following statements and choose the correct option.<br/>Statement 1: The speed regulation of a synchronous motor is always unity.<br/>Statement 2: In a synchronous motor, at no-load condition, and with normal excitation the armature current drawn by a synchronous motor is in phase with applied voltage.

Statement 1 is TRUE and Statement 2 is FALSE

Statement 1 is FALSE and Statement 2 is TRUE

Both Statement 1 and Statement 2 are FALSE

Both Statement 1 and Statement 2 are TRUE

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Arjuna Award is awarded for the excellence in which field?

Literature

Mathematics

Sports

Science

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વિષમ' ની સંધી છૂટી પાડો. - કયો વિકલ્પ સાચો છે?

વી + સમ

વિ + સમ

વિસ્ + અમ

વીસ + અમ

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