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ISRO Technician-B
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ISRO Technician-B Electrician 2019
41

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

41) Distribution transformer has maximum efficiency around

Near full load

Near no load

50% load

None of the above

Answer is:

50% load

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

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Related ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

42) The ratio of collector current to emitter current of a transistor is 0.99. What is the ratio of collector current to base current?

100

99

101

None of the above

Answer is:

99

43) Internal resistance of a galvanometer is 1 Ohm. A resistor ( R) and a voltage source of 10V are connected in series to the galvanometer to make an ohm meter. Full scale deflection of the galvanometer corresponds to 1 mA. What is the value of the resistance

9999 Ohm

10000 Ohm

999 Ohm

1000 Ohm

Answer is:

9999 Ohm

44) What is the peak to peak voltage of 250V AC?

500V

707V

353V

None of the above

Answer is:

707V

45) Equation of voltage from source is v=3sin(20t)+4sin(30t). What is the power dissipated if this voltage is applied across a 10 Ohm resistor.

0.49W

1.25 W

2.5 W

5 W

Answer is:

1.25 W

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

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