Electric Circuit Analysis Certification Exam Tests

Electric Circuit Analysis Practice Test 19

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The Trivia MCQ: *Transistors used in loud speakers are;* "Applications" App (iOS & Android) with answers: Field-effect; Bipolar; Fast; Slow; for top engineering universities. Practice methods of analysis questions and answers, Google eBook to download free sample for pre employment screening tests.

MCQ 91:

*Transistors used in loud speakers are*

- bipolar
- field-effect
- fast
- slow

a

MCQ 92:

*Function which is zero for t < 0 and increases uniformly from 0 to 1 in T seconds is*

- exponential
- unit step
- unit impulse
- sinusoidal

c

MCQ 93:

*Apparent power is expressed in units of*

- volt-amperes
- volt per amperes
- volt square per amperes
- volt per ampere square

a

MCQ 94:

*Cos a+cos b=*

- 2sin1/2(a+b)cos1/2(a-b)
- 2cos1/2(a+b)cos1/2(a-b)
- 1/2cos(a-b)-1/2cos(a+b)
- 1/2sin(a+b)+1/2sin(a-b)

b

MCQ 95:

*Which of the following is assumed to be constant in transformer over the operating range of voltage and current?*

- permittivity
- dark current
- permeability
- leakage flux

c

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