GATE Physics: Questions 73 - 76 of 323

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Question number: 73

» Electronics » Operational Amplifiers

Appeared in Year: 2015

MCQ▾

Question

Consider the circuit shown in the figure, where RC=1 . For an input signal Vi shown below, choose the correct V0 from the options:

 A circuit of an op – amp and input signal

a Circuit of an Op – Amp and Input Signal

In figure a circuit diagram of an op – amp and input signals are shown.

Choices

Choice (4) Response

a.

Output signals of given op – amp: Choice A

Output Signals of Given Op – Amp: Choice A

In figure output signals of given op – amp circuit is shown.

b.

 Output signals of given op – amp: Choice B

Output Signals of Given Op – Amp: Choice B

In figure output signals of given op – amp circuit is shown.

c.

 Output signals of given op – amp: Choice C

Output Signals of Given Op – Amp: Choice C

In figure output signals of given op – amp circuit is shown.

d.

Output signals of given op – amp: Choice D

Output Signals of Given Op – Amp: Choice D

In figure output signals of given op – amp circuit is shown.

Question number: 74

» Electronics » Registers

Appeared in Year: 2015

MCQ▾

Question

Which one of the following DOES NOT represent an exclusive OR operation for input A and B?

Choices

Choice (4) Response

a.

(A+B)(A¯+B¯)

b.

(A+B)AB

c.

(A+B)AB¯

d.

AB¯+BA¯

Question number: 75

» Classical Mechanics » Lorentz Transformations

Appeared in Year: 2014

MCQ▾

Question

Which one of the following quantities is invariant under Lorentz transformation?

Choices

Choice (4) Response

a.

Charge

b.

Electric field

c.

Charge density

d.

Current

Question number: 76

» Quantum Mechanics » Angular Momentum and Spin

Appeared in Year: 2015

MCQ▾

Question

Let L and p be the angular and linear momentum operates, respectively for a particle. The commutator [Lx,py] gives –

Choices

Choice (4) Response

a.

ipz

b.

0

c.

ipz

d.

ipx

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