Q.57 What is the full form of RBSOA with reference to IGBT?Ans 1. Reverse bias saturation of current2. Reverse bias safe operating area3. Reverse breakdown static operation area4. Reverse blocking state of amplificationCorrect Ans: 2

Q.70 Which of the following types of instruments is used only for AC measurements?Ans 1. PMMC type2. Thermocouple type3. Hot wire type4. Induction typeCorrect Ans: 4

Q.9 Polarisation is defined as the _____________.Ans 1. Dipole moment per unit length2. Dipole moment per unit area3. Dipole moment per unit volume4. Dipole moment per ampereCorrect Ans: 3

Q.34 Tara is ranked 5th from the top and Sugandha is ranked 7th from the bottom in an exam. In the next exam, their position got exchanged and Sugandha was ranked 16th from the bottom. How many students ...

Q.27 Choose the correct alternative from the given options which will continue the same pattern and replace the question mark in the given number series. 387, 337, 297, 267, 247, …..?Ans 1. 2282. 2313. 2364. 237Correct Ans: 4

Q.13Ans 1. 1 A2. −1 A3. −4 A4. 4 ACorrect Ans: 2

Q.10Ans 1. I0 and I22. I’1 and I23. I0 , I’1 and I24. I’1 and I0Correct Ans: 4

Q.5Ans 1. Three-phase to ground fault2. Line to ground fault3. Line to line fault4. Double line to ground faultCorrect Ans: 4

Q.38 The transfer characteristics of IGBT is a plot of _________ versus _________.Ans 1. collector-emitter voltage, gate current2. gate current, collector-gate voltage3. collector current, gate-emitter voltage4. emitter current, collector-gate voltageCorrect Ans: 3

Q.36 PMMC instrument can be used as a DC voltmeter without series resistance in the range of __________.Ans 1. 0 to 100 mV2. 0 to 10 V3. 0 to 100 V4. 0 to 10 mVCorrect Ans: 1