ONGC Graduate Trainee Electronics Exam Paper

Will you please provide the question paper of ONGC Graduate Trainee Electronics Exam ?

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Here is the list of few questions of
ONGC Graduate Trainee Electronics Exam Paper which you are looking for .

1 . Two coils in differential connection hav e self-inductance of 2 mH and 4 mH and a mutual inductance of
0.1 5 mH. The equiv alent inductance of the combination is
A. 5.7 mH
B. 5.85 mH
C. 6 mH
D. 6.1 5 mH.
2. Two point charges Q and -Q are located on two opposite corners of a square as shown in figure. If the
potential at the corner A is taken as 1 V, then the potential at B, the centre of the square will be
1. zero
2.
3. 1 V
4.
3. Optocouplers combine
A. SITs and BJTs
B. IGBTs and MOSFETS
C. Power transformers and silicon transistor
D. Infrared light-emitting diode and a silicon phototransistor

ONGC Graduate Trainee Electronics Exam Paper




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