SSC JE Electrical Engineering 3rd March 2017 Shift-1

Instructions

For the following questions answer them individually

Question 31

When the electric train is moving down a hill the DC motor acts as __________.

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Question 32

Resistivity measurements are often used to determine __________.

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Question 33

in Ge, when atoms are held together by the sharing of valence electrons __________.

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Question 34

In a pure semiconductor, electric current is due to __________.

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Question 35

Temperature coefficient of resistance in a pure semiconductor is __________.

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Question 36

Acceptor impurity atoms in a semiconductor result in new __________.

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Question 37

An n-type semiconductor is_______.

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Question 38

When a free electron is recaptured by a hole, the process is called __________.

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Question 39

Imperfections in the crystal structure result in __________.

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Question 40

At room temperature intrinsic carrier concentration is higher in germanium than in silicon because __________.

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