29) What is the ripple frequency of a full wave bridge rectifier circuit?

Same as the input AC frequency

Twice the input AC frequency

Half the input AC frequency

Four times the input AC frequency

Answer is:

Twice the input AC frequency

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

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30) If the capacitor in a simple RC integrator becomes open due to failure, the output

Would increase exponentially

Would measure the same as the input

Would measure zero volts

None of the above

Answer is:

Would measure the same as the input

31) Area of a circle is 49xPi square centimeter. Its circumference is

14 x Pi cm

7 cm

49xPi cm

32 cm

Answer is:

14 x Pi cm

32) In class AB push-pull amplifier, crossover distortion is avoided by biasing the transistors

In cut-off region

Slightly above cut-off

Slightly below saturation

In saturation region

Answer is:

Slightly above cut-off

33) What is the frequency in Hz for the sinusoidal signal e=10sin1000xPixt?

1000 Pi

1000

500

500 Pi

Answer is:

500 ISRO Technician-B Electronic Mechanic Question Paper - 2019 (Set - 1) with Answer Key

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29) What is the ripple frequency of a full wave bridge rectifier circuit?

Twice the input AC frequency

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

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

30) If the capacitor in a simple RC integrator becomes open due to failure, the output

Would measure the same as the input

31) Area of a circle is 49xPi square centimeter. Its circumference is

14 x Pi cm

32) In class AB push-pull amplifier, crossover distortion is avoided by biasing the transistors

Slightly above cut-off

33) What is the frequency in Hz for the sinusoidal signal e=10sin1000xPixt?

500

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