Q.40 If a circuit load impedance is (25 – j25), find the power factor.Ans 1. 0.52. 13. 04. 0.707Correct Ans: 4

Q.32 Which of the following is an example of symmetrical fault?Ans 1. L – G2. L – L3. L – L – G4. L – L – LCorrect Ans: 4

Q.16 A power MOSFET is a _____________, ____________ controlled and ________carrier device.Ans 1. unipolar, voltage, majority2. bipolar, current, majority3. unipolar, voltage, minority4. bipolar, current, minorityCorrect Ans: 1

Q.3 A voltmeter used for measurement of line voltage of 230 V indicates 232 V. Find the static error.Ans 1. -2 V2. 1 V3. -1 V4. 2 VCorrect Ans: 4

Q.64 Ampere’s circuital law involves finding the _______.Ans 1. total charge enclosed by a closed surface2. total current enclosed by a closed path3. total flux in a magnetic circuit4. total voltage enclosed by a closed pathCorrect Ans: 2

Q.25 If a day before yesterday was Friday, then what day of the week will it be on a day after tomorrow?Ans 1. Saturday2. Sunday3. Tuesday4. MondayCorrect Ans: 3

Q.7 In a certain code language, 2, 5, 6, 7, 1, 4 and 9 are coded as V, O, R, X, K, I and G, respectively. If the last two digits of the number cluster are odd, ...

Q.29Ans 1. 0.15 A2. 15 A3. 0.015 A4. 1.5 ACorrect Ans: 3

Q.19 A 1-phase transformer has 400 primary and 1000 secondary turns. If the primary is connected to a 500 V, 50 Hz supply, find the secondary voltage.Ans 1. 250 V2. 200 V3. 1250 V4. 2000 VCorrect Ans: 3

Q.73 If the percentage reactance of an element is 20% and the full load current is 40 A, then short circuit current will be _______, when only that element is in the circuit.Ans 1. 200 A2. 100 A3. ...