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Consider the following statements with regard to a GTO : 1. The turn-off gain of the GTO is large. 2. Large negative gate current pulses are required to turn off the GTO. 3. GTO has large reverse blocking capability. Which of the above statements is/are correct ? (a) 1 only (b) 2 only (c) 3 only (d) 1, 2 and 3

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Consider the following statements with regard to a GTO : 1. The turn-off gain of the GTO is large. 2. Large negative gate current pulses are required to turn off the GTO. 3. GTO has large reverse blocking capability. Which of the above statements is/are correct ? (a) 1 only (b) 2 only (c) 3 only (d) 1, 2 and 3

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asked Jun 17, 2018 in Electrical Engineering by Shimroz123
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Which of the following statements is CORRECT?  (A) A grid-connected induction generator always supplies lagging reactive power to the bus. (B) An overexcited synchronous motor draws current at a lagging power factor. (C) An under excited synchronous generator connected to an infinite bus works at a leading power factor. (D) The load angle of a synchronous machine is the angle between the excitation voltage and the load current.

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
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The following statements are made for NMOS & PMOS 1. The carrier mobility in NMOS is higher 2. PMOS require less area than NMOS 3. NMOS circuits are smaller than PMOS 4. PMOS are faster in switching. Of these, the true statements are : a. 2 and 4 only b. 2 and 3 only c. 1 and 3 only d. 1, 2 and 3 only

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What is the maximum data rate that can be transmitted using a QPSK modulation with a roll-off factor of 0.2 for a 36 MHZ transponder?  A) 7.2 Mbps B) 30 Mbps C) 43.2 Mbps D) 60 Mbps

asked Apr 9, 2018 in Electrical Engineering by Shimroz123

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