GATE ECE 2022 Paper 1 — page 16

Questions 46–48 of 65. Imported answers require review unless explicitly marked reviewed.

The outputs of four systems (

, and

) correspond to the input signal

, for all time

, are shown in the figure.

Based on the given information, which of the four systems is/are definitely NOT LTI (linear and time-invariant)?

Your answerSelect all correct options. You can choose more than one.

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Select the CORRECT statement(s) regarding semiconductor devices.

Your answerSelect all correct options. You can choose more than one.

Electrons and holes are of equal density in an intrinsic semiconductor at equilibrium.

Collector region is generally more heavily doped than Base region in a BJT.

Total current is spatially constant in a two terminal electronic device in dark under steady state condition.

Mobility of electrons always increases with temperature in Silicon beyond 300 K.

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A state transition diagram with states

, and

, and transition probabilities

is shown in the figure (e.g.,

denotes the probability of transition from state A to B). For this state diagram, select the state(s) which is/are universally true.

Your answerSelect all correct options. You can choose more than one.

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2022 · Paper 1