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ISRO
ISRO Technician-B
Electrician
ISRO Technician-B Electrician 2015
42

ISRO Technician-B Electrician Question Paper - 2015 (Set - 1) with Answer Key

42) The energy stored in a magnetic field coil of self inductance 5 mH and carrying current 10 A is

0.025 J

0.25 J

2.5 J

25 J

Answer is:

0.25 J

ISRO Technician-B Electrician Question Paper - 2015 (Set - 1) with Answer Key

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Related ISRO Technician-B Electrician Question Paper - 2015 (Set - 1) with Answer Key

43) An electric motor in which stator and rotor poles run with exactly the same speed is

an induction motor

universal motor

shaded pole motor

synchronous motor

Answer is:

synchronous motor

44) If sin X = 3/5, the value of tan x is

3/4

4/3

2/5

2/3

Answer is:

3/4

45) In an operational amplifier CMRR, should be

as high as possible

unity

zero

as low as possible

Answer is:

as high as possible

46) Which of the following amplifiers has the lowest efficiency?

class A

class B

class AB

class C

Answer is:

class A

ISRO Technician-B Electrician Question Paper - 2015 (Set - 1) with Answer Key

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