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A helicopter is moving in upward directi...

A helicopter is moving in upward direction with speed of 10 m/s. If the length of the helicopter is 10 m and the horizontal component of magnetic field of earth is `1.5 xx 10^(-3) "Wb"/ m^2` then the induced emf produced across the foremost (nose) and end part (tail) of the helicopter will be ____

A

B

C

D

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Verified by Experts

The correct Answer is:
D

The given circuit of p-n junction is for a halfwave rectifier so the output voltage is obtained according to option (D).
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KUMAR PRAKASHAN-SEMICONDUCTOR ELECTRONICS : MATERIALS, DEVICES AND SIMPLE CIRCUITS -Section-D : Multiple Choice Questions (MCQs) (MCQs asked in Competitive Exams)
  1. The potential barrier of the p-n junction depends …….. (i) On kind o...

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  2. In a n-type semiconductor, which of the following statement is true?

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  3. A helicopter is moving in upward direction with speed of 10 m/s. If th...

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  4. Which logic gate is represented by the following logic gates?

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  5. A cell of emf E and internal resistance r is connected across an exter...

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  6. Derive an expression for current I passing through an AC circuit conta...

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  7. In the circuit shown the reading of voltmeter V(3) and Ammeter 'A' wil...

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  8. Justify the output waveform (Y) of the OR gate for the following input...

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  9. If A and B are two matrices of the order 3xxmand3xxn , respectively , ...

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  10. Which of the following logic gate is an universal gate?

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  11. In the circuit shown in figure, when the input voltage of the base res...

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  12. In a p-n junction diode, change in the temperature due to heating …….

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  13. Which of the following can be used as a biocontrol agent in the treatm...

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  14. For a p-type semiconductor, which of the following statements is true?

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  15. Obtain the resonant frequency and Q-factor of a series LCR circuit wit...

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  16. A circular loop enters a uniform magnetic field as shown in the figure...

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  17. The rms value of a.c. signal in halfwave rectifier is ……

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  18. The valency of the impurity atom added to make germanium crystal into ...

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  19. To a germanium sample, traces of galium are added as an impurity. The ...

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  20. When the semiconductor is heated ……..

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