A delta-connected balanced three-phase load is supplied from a three-phase, 400 V supply. The line current is 20 A and the power taken by the load is 10 kW. Find the power factor. 0.52 0.82 0.72 0.62 TRUE ANSWER : ? YOUR ANSWER : ?
In transformer, bushing failure occurs due to<br/>(i) transformer vibrations<br/>(ii) dielectric losses<br/>(ii) partial discharge (i) and (ii) only (i) and (iii) only (i), (ii) and (iii) (ii) and (iii) only TRUE ANSWER : ? YOUR ANSWER : ?
Calculate the inductance per meter of a 50 Ω load cable that has an capacitance of 20 pF/m. 50 nH 25 nH 25 mH 50 mH TRUE ANSWER : ? YOUR ANSWER : ?
Vikram Seth is associated with which of the following fields? Music Politician Sports Literature TRUE ANSWER : ? YOUR ANSWER : ?
A circular loop has its radius increasing at a rate of 2 m/s. The loop is placed perpendicular to a constant magnetic field of 0.1 Wb/m². When the radius of the loop is 2 m, the emf induced in the loop will be 0.8π V 0.2π V 0.4π V zero TRUE ANSWER : ? YOUR ANSWER : ?
Operating system is a program that runs during log off a layer between the user and the hardware a program that runs for short duration a program that runs during log off TRUE ANSWER : ? YOUR ANSWER : ?
આપને કાઈ મશીન નથી કે અમુક ગોઠવણો પ્રમાણે કાર્ય જ કરીએ. - ઉપરોક્ત વાક્ય જુદાં પાડવા ક્યાં સંયોજકો કાઢવા પડે. અમુક કે કાઈ જ TRUE ANSWER : ? YOUR ANSWER : ?
જે ક્રિયા દર્શાવે પણ વાક્યનો અર્થ પૂર્ણ કરે એ એને ____કહેવાય. - આપેલ વિકલ્પોમાંથી યોગ્યનું ચયન કરી વાક્ય પૂર્ણ કરો વિભક્તિ ક્રિયા-વિભક્તિ કૃદંત નીપાત TRUE ANSWER : ? YOUR ANSWER : ?
Interposing current-transformer (CT) is used in differential protection of a transformer to minimize the effect of saturation of the main CTs increase the sensitivity of the relay match the standard ratio of CTs used on both sides of the transformer winding limit the main CT secondary current TRUE ANSWER : ? YOUR ANSWER : ?
A MOSFET rated for 15 A, carries a periodic current as shown in figure. The ON state resistance of the MOSFET is 0.15 Ω. The average ON state loss in the MOSFET is 15 W 7.5 W 33.8 W 3.8 W TRUE ANSWER : ? YOUR ANSWER : ?