DMRC Electronics Engineering Paper-1 2016

Instructions

For the following questions answer them individually

Question 71

In a CRO which of the following is not a part of electron gun:

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Question 72

A 1 $$\mu F$$ capacitor is connected to 12 V battery. The energy stored in the capacitor is:

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Question 73

For a transmission line open circuit and short circuit impedances are 20 Ω and 5 Ω. Then characteristic impedance is:

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Question 74

Find i(t) if $$I(s) = \frac{s + 1}{(s + 4)(s + 3)}:$$

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Question 75

A capacitor used for power factor correction in single phase circuit decreases:

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Question 76

The negative sign in the expression $$e = - N (d \phi )/dt$$ is due to:

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Question 77

Form factor is the ratio of:

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Question 78

The number of valence electrons in pentavalent impurity is:

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Question 79

Material which lack permanent magnetic dipoles are known as:

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Question 80

The primary function of the bias circuit is to:

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