When electric current passes through any conductor, then its temperature (1) Increases (2) Decreases (3) Remains same (4) Depends upon conductor6 3912
On the same voltage, the resistance of the filament of the bulbs of 200 watt and 100 watt are R1 and R2, then (1) The value of R1 is twice that of R2 (2) The value of R2 is four times the value of R1 (3) The value of R1 is four times that of R2 (4) The value of R2 is twice that of R11 2112
Which of the following statements are correct for Ohm?s Law? (1) Electric current across the conductor and the multiple of the potential difference of conductor indicate resistance (2) The ratio of potential difference of conductor and electric current across the conductor is always constant (3) If all the physical states are constant, then potential difference across the conductor is directly proportional to its passing electric current (4) If all the physical states are constant, then the potential difference across any matter which conducts electricity is inversely proportional to its flowing current1 3510
A wire of resistance 10 ohms is drawn out to three times its original length. The new resistance will be (1) 90 ohm (2) 10 ohm (3) 30 ohm (4) 120 ohm6 10649
Electromagnetic radiation of the highest frequency is (1) ?-rays (2) x-rays (3) Radio waves (4) Infrared waves3 3321
One of the simplest applications of a diode is in (1) Amplification (2) Detection of microwaves (3) Modulation of signals (4) Rectification3 2927
Ornamental granite stone is found in the district of (1) Gulbarga (2) Uttara Kannada (3) Kodagu (4) Mysore2 3084
The critical mass of a nuclear reaction is (1) The initial mass to start a nuclear fission (2) The minimum mass for the chain reaction (3) The size of the reactor core (4) The size of the reactor core + size of the moderator2 2687
The speed of electro-magnetic radiation in a vacuum (1) Increases from radio rays to ?-rays (2) Decreases from radio rays to ?-rays (3) Depends upon the source of the radiation (4) Is equal for all factors or elements1 2372
A longitudinal wave is made, when (1) Two stationary waves equal frequency and amplitude meet in opposite directions (2) Two stationary waves of equal frequency and amplitude meet in the same direction (3) Two stationary waves of equal frequency but different amplitudes meet in opposite directions (4) Two stationary waves of equal amplitude but different frequency meet in opposite directions1 2551
In order to move one unit of positive charge from one point to another on the same potential surface (1) Work is done through the charge (2) Work is done on the charge (3) No work is done (4) The work done is fixed1 2742
Which of the following can explain the echo produced through sound waves? (1) Shifting (2) Refraction (3) Reflection (4) Dispersion2 2888
Decibel is defined in terms of (1) voltage level (2) power ratio (3) current level (4) None of these4 8948
A load cell is a (1) Photo-voltaic cell (2) Strain gauge (3) Thermistor (4) Pressure gauge3 6010
A D.C. series motor should (1) always be run at constant speed (2) always be started on load (3) not be used where starting torque is high (4) None of these6 4169
sir i applied for loco pilot, goods guard, assistant station master and electrical section engineer posts.can you sent me the old question papers and syllabus of the examination to the email firstname.lastname@example.org
DEAR SIR PLEASE SEND ME QUESTION OF JUNIOR ENGINEER ELECTRICAL IN RAILWAY EXAMS.email@example.com
Dear sir, This is my kind request can i get rrb section engineer(mechanical) model question paper for the past2 years nd syllabus.pls message me or contact me in the below mail id firstname.lastname@example.org pls sir this is my hummbel request.
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