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Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Tests  >  Test: SOA - Electrical Engineering (EE) MCQ

Test: SOA - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test - Test: SOA

Test: SOA for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Test: SOA questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: SOA MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: SOA below.
Solutions of Test: SOA questions in English are available as part of our course for Electrical Engineering (EE) & Test: SOA solutions in Hindi for Electrical Engineering (EE) course. Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free. Attempt Test: SOA | 10 questions in 10 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study for Electrical Engineering (EE) Exam | Download free PDF with solutions
Test: SOA - Question 1
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 For a transistor, the safe operating area (SOA) is a plot of

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For reliable operation the collector current & voltage must remain within the SOA curves.

Test: SOA - Question 2
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The forward safe operating area (FSOA) pertains to the operation when

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The FSOA is for forward biased operations. The FSOA is plotted for AC as well as DC for different duty cycles. Hence, option (b) is the most appropriate choice.

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Test: SOA - Question 3
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The SOAs are plotted always on a _________ scale

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The scale is always logarithmic, irrespective of the type of device.

Test: SOA - Question 4
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 As the FSOA increases, the pulse width
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On reduced pulse width values, the devices can operated on higher voltages & currents.

Test: SOA - Question 5
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The SOAs provided by the manufacturers are for
Detailed Solution for Test: SOA - Question 5

The manufacturer specifies the SOAs only for single pulse DC operation & a particular temperature (usually 20Degree Centigrade Scale). For actual operations, The SOA’s have to be modified using the thermal impedance charts.

Test: SOA - Question 6
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A device is operating at Ic = 4A & Vce = 50V. For the device to operate at Ic = 20A (Without damaging),
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For safe operation, the values should be within the limits. P = V.I – with increase in one of the values, another value should decrease.

Test: SOA - Question 7
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For a BJT, find the maximum power dissipation when the device is safely operated at Vce = 90V and Ic = 0.5A
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P=90*0.5=45Watts.

Test: SOA - Question 8
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The SOA for a MOSFET is plotted for
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It is a plot of drain current vs drain to source voltage.

Test: SOA - Question 9
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The SOA for an IGBT is plotted for
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It is a plot of collector current vs collector to emitter voltage.

Test: SOA - Question 10
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For MOSFET’s SOA, as the pulse width goes on increasing, the maximum voltage rating ____ & current rating ____
Detailed Solution for Test: SOA - Question 10

Refer MOSFET’s SOA.

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Important Questions for SOA

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SOA MCQs with Answers

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Online Tests for SOA

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