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Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )

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Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Repost from N/a
Resistance of 220 V, 100 W lamp will be ? 4.84 ? 48.4 ? 484 ? ✅ 4840 ?

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Repost from N/a
Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be ? 9 times 1/9 times ✅ 1/3 times 3 times

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Repost from N/a
Which of the following can have negative temperature coefficient ? Compounds of silver Liquid metals Metallic alloys Electrolytes ✅

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Repost from N/a
Which method can be used for absolute measurement of resistances ? Lorentz method Releigh method Ohm's law method Wheatstone bridge method ✅

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Repost from N/a
Switching of a lamp in house produces noise in the radio. This is because switching operation produces ? arcs across separating contacts ✅ mechanical noise of high intensity both mechanical noise and arc between contacts none of the above

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Repost from N/a
...... are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators ? Varistors Thermistor Semi-conductors ✅ Variable resistors

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Repost from N/a
When current flows through heater coil it glows but supply wiring does not glow because ? current through supply line flows at slower speed supply wiring is covered with insulation layer resistance of heater coil is more than the supply wires ✅ supply wires are made of superior material

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Voltage dependent resistors are usually made from ?
Anonymous voting

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
In a lamp load when more than one lamp are switched on the total resistance of the load ?
Anonymous voting

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
All good conductors have high ?
Anonymous voting

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Ohm's law is not applicable to ?
Anonymous voting

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
A nichrome wire used as a heater coil has the resistance of 2 ?/m. For a heater of 1 kW at 200 V, the length of wire required will be ?
Anonymous voting

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
The condition for the validity under Ohm's law is that ?
Anonymous voting

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is ?
Anonymous voting

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
When electric current passes through a bucket full of water, lot of bubbling is observed. This suggests that the type of supply is ?
Anonymous voting

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Repost from N/a
The condition for the validity under Ohm's law is that ? resistance must be uniform ✅ current should be proportional to the size of the resistance resistance must be wire wound type temperature at positive end should be more than the temperature at negative end

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Repost from N/a
The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is ? 50% ✅ 60% 100% 150%

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Repost from N/a
When electric current passes through a bucket full of water, lot of bubbling is observed. This suggests that the type of supply is ? A.C. D.C. ✅ any of above two none of the above

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Repost from N/a
In a lamp load when more than one lamp are switched on the total resistance of the load ? increases decreases ✅ remains same none of the above

Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
Electrical JE MCQs (UPPCl JE, SSC JE, PGCIL DIPLOMA TRAINEE,UPMRC JE, NHPC JE )
3 062
Repost from N/a
All good conductors have high ? conductance ✅ resistance reluctance thermal conductivity