Q.60 Which of the following equation is sometimes referred to as the Ohm’s law of magnetic circuit?Ans 1.2.3.4.Correct Ans Provided: 3

Q.83 Identify the non-renewable source of energy among the given option.Ans 1. Nuclear energy2. Geothermal energy3. Biomass energy4. Solar energyCorrect Ans Provided: 1

Q.76 A single phase half bridge inverter has a supply voltage of 100 V dc and a resistive load of 4 Ω. What will be the RMS output voltage?Ans 1. 90 V2. 70.71 V3. 45 V4. 50 VCorrect ...

Q.73 In a signal flow graph, _________ is the gain along any path from the input to the output, not passing through any node more than once.Ans 1. Closed loop gain2. Feedback gain3. Loop gain4. Forward path gainCorrect ...

Q.64Ans 1. 0.62. 0.53. 0.84. 0.4Correct Ans Provided: 3

Q.68 For a DC motor, gross mechanical power developed by the motor is maximum and the motor is supplied through a 220 V source. What will be back emf?Ans 1. 220 V2. 110 V3. 55 V4. 27.5 VCorrect ...

Q.70 Which of the following circuit is used to obtain pulse gate triggering?Ans 1. Resistance-capacitance triggering circuit2. UJT based relaxation oscillator circuit3. Diac-Triac circuit4. Resistive triggering circuitCorrect Ans Provided: 2

Q.61 For a 3-phase semiconverter, if the firing angle for thyristor is 90°, the free-wheeling diode will conduct for a period of _____________.Ans 1. 0°2. 90°3. 30°4. 120°Correct Ans Provided: 3

Q.75 The critical point (-1, j0) is mapped to ________ on the Nichols chart.Ans 1. (1 dB, 0°)2. (0 dB, – 180°)3. (0 dB, 0°)4. (1 dB, 180°)Correct Ans Provided: 2

Q.69 A 3-phase 4 pole induction motor is supplied from a 50 Hz source. Find the rotor frequency when the rotor runs at 600 rpm.Ans 1. 25 Hz2. 50 Hz3. 30 Hz4. 20 HzCorrect Ans Provided: 3