Materials and Components - Section 1 | Multiple Questions and Answers

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Materials and Components - Section 1 Multiple Questions and Answers.

6.	The minority carrier life time and diffusion constant in a semiconducting material are 100 Î¼s and 100 cm2/s respectively. The diffusion length of carriers is

	A.	0.1 cm
	B.	0.01 cm
	C.	0.0141 cm
	D.	1 cm

7.	Please find the correct values:
	Assertion (A): Electronic and Ionic polarization in a polyatomic gas are independent of temperature. Reason (R): The orientation polarization is independent of temperature.
	A.	Both A and R are true and R is correct explanation of A
	B.	Both A and R are true but R is not correct explanation of A
	C.	A is true but R is false
	D.	A is false but R is true

8.	Two materials having temperature coefficients of 0.004 and 0.0004 respectively are joined in series. The overall temperature coefficient is likely to be

	A.	0.08
	B.	0.04
	C.	0.001
	D.	0.0001

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