Question is ⇒ At 0 K, silicon and germanium behave like monoatomic crystals., Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper.

Question is ⇒ At 0 K, silicon and germanium behave like monoatomic crystals., Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	At 0 K, silicon and germanium behave like monoatomic crystals.
A.	TRUE [Wrong Answer]
B.	FALSE [Correct Answer]
View Answer 1 -1 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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Assertion (A): When cathode temperature is increased from 2500 K to 2550 K, thermionic emission current may increase by about 50%.

Reason (R): Thermionic emission current ∝ T² e^-Ew/kT.

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Assertion (A): When a zener diode breakdown, occurs the voltage across it is constant.

Reason (R): The upper limit of zener current is determined by power handling capacity.

Both A and R are true and R is correct explanation of A
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⇒ Consider the transmission line of length 37.5 cm, which is terminated into zero resistance. This line is being exited by a source of 1 GHz which has an internal impedance of 50 Ω. What is the input impedance of the line as seen by the source?
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⇒ Two coils X and Y have self inductances of 5 mH and 10 mH and mutual inductance of 3 mH. If the current in coils X change at a steady rate of 100 A/s, the emf induced in coil Y is
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⇒

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C.	Coaxial line	3.	Quasi TEM
D.	Microstrip line

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⇒

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A.	Darlington pair	1.	uses pnp and npn transistors used as power amplifier
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C.	Cascade amplifier	3.	low input impedance used for high frequency isolation

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⇒

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