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Rectifier is use in power supply to convert Alternating current (AC) to Direct Current (DC) .

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 An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V 

Answer :

 An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V 

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Two 100W, 200V lamps are connected in series across a 200V supply. The total power consumed by each lamp will be in Watts

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4800

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The time period of third harmonic of power supply frequency, in milliseconds, is (A) 20 (B) 3.33 (C) 6.66 (D) 60

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The time period of third harmonic of power supply frequency, in milliseconds, is 6.66 

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For high value of diversity factor, a power station of given installed capacity will be in a position to supply more number of consumers.

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Description :

Draw the block diagram of regulated power supply, explain function of each block and draw waveforms of each stage.

Answer :

1. A step down transformer 2. A rectifier 3. A filter 4. A regulator Operation of Regulated Power Supply:- Step Down Transformer:- A step down transformer will ... regulator. A regulator will maintain the output constant even when changes at the input or any other changes occur.

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Description :

What is need of regulated power supply?

Answer :

A regulated power supply is used to ensure that the output remains constant even if the input changes. But sometimes main supply voltage, load, and surrounding temperature keep changing and altering the ... power supply is needed that will accept an AC input and give a constant DC output.

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What is the Power Supply specification for 8085AH microprocessor? A) Single +5V supply with 10% voltage margins B) Dual +5V supply with 10% voltage margins C) Single +10V supply with 5% voltage margins D) Dual +5V supply with 5% voltage margins 

Answer :

What is the Power Supply specification for 8085AH microprocessor? A) Single +5V supply with 10% voltage margins B) Dual +5V supply with 10% voltage margins C) Single +10V supply with 5% voltage margins D) Dual +5V supply with 5% voltage margins 

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Overhead lines for power supply to tramcars are at a minimum height of 10 m.

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The primary reason for low power factor is supply system is due to installation of induction motors.

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Full wave bridge rectifier is used in mobile chqrger.

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