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

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

51) Filament resistance of 20W bulb and 40W bulb, both rated to same voltage of operation is in the ratio

Answer is:

2:1

52) Two resistors with resistance R and 2R respectively are connected in parallel. If power consumed in resistor with resistance R is 20W, what is the power consumed in resistor with resistance 2R?

Answer is:

10W

53) Which of the following is the commonly used depolarizer in dry cell

Answer is:

Manganese dioxide

54) The common electrolyte used in nickel iron cell is

Answer is:

KOH

55) A sinusoidal flex with peak value 0.1 Wb links with the secondary of a transformer. If number of turns in the secondary is 10, calculate the rms value of the induced emf in the secondary. Supply frequency is 50 Hz.

Answer is:

44.4V

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