Power Supply_LRPS and SMPS Quiz

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SE B

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SMPS is used for obtaining _______________ *

1 point

regulated ac voltage

regulated dc voltage

pulsating dc voltage

unregulated dc voltage

In SMPS, the output voltage is controlled by _______________ *

1 point

none of these

varying duty cycle

Option 3

varying power

Which device in SMPS, is responsible for switching purpose? *

1 point

Filter

Error Amplifier

Regulator

Transistor

Transistor in Linear Regulated Power Supply operates in _____________________ *

1 point

Saturation Region

None of the above

Active Region

Cut off Region

In SMPS, if output voltage is less than the required voltage, then the transistor ______________________ *

1 point

remains On for more time period

remains On for less time period

remains Off for more time period

remains Off for less time period

The size and weight of LRPS compared to SMPS is _______________ *

1 point

stable

none of the above

less

The LRPS converts _____________________ *

1 point

AC to DC

AC to AC

DC to DC

DC to AC

As the frequency of circuit is more, the size and weight of component ___________________ *

1 point

none of the above

constant

less

The feedback voltage Vf in SMPS depends on ______________ *

1 point

Bandwidth

Iin

Vin

The efficiency of LRPS is upto ______________ *

1 point

95%

40%

50%

60%

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