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The maximum effeciency of full wave rect...

The maximum effeciency of full wave rectifier is

A

`4/pi^(2) xx 100%`

B

`8/pi^(2) xx 100%`

C

`40%`

D

`80%`

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )-Assignment section -B (Objective Type Question)
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  5. A transistor having alpha = 0.99 is used in a common base amplifier. I...

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  6. A potential difference of 2.5 V is applied across the faces of a germa...

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  9. The circuit shown in the figure contains two diodes each with a forwar...

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  10. Three amplifiers each having voltage gain 10, are connected in series....

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  11. A semiconductor X is made by doping a germanium crystal with aresenic...

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  12. The maximum effeciency of full wave rectifier is

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  13. Logic gate realised from pn Junctions shown in figure is

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  14. Find the equivalent resistance between P and Q.

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  15. Which of the following pn junction is not used in reverse bias?

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  16. Which of the following break down of pn junction is reverisble?

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  17. In the circuit shown, the average power dissipated in the resistor is ...

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  18. A crystal has bcc structure and its lattice constant is 3.6 A. What is...

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  19. All the diodes are ideal. The current flowing in 2 Omega resistor conn...

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  20. In a transitor (Beta = 50), the voltage across 5 kOmega load resistanc...

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