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

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

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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

46) Which of the following is a loss in a d.c. generator

Copper loss

Iron loss

Mechanical loss

All of the above

Answer is:

All of the above

47) In an intrinsic semiconductor

Number of electrons is equal to number of holes

Number of electrons is more than number of holes

Number of electrons is less than number of holes

(a), (b) or ? depending on temperature

Answer is:

Number of electrons is equal to number of holes

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

For more MCQ's Click Here

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

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

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

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

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.

1.25 W

46) Which of the following is a loss in a d.c. generator

All of the above

47) In an intrinsic semiconductor

Number of electrons is equal to number of holes

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