GATE (Graduate Aptitude Test in Engineering) Physics (PE): Questions 278 - 282 of 1823

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Question 278

Appeared in Year: 2012

Question MCQ▾

The eigenvalues of anti-symmetric matrix, where, are the components of a unit vector, are – (June)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 279

Appeared in Year: 2012

Question MCQ▾

The output (O) of the given circuit in cases and , where;

Case I:

Case II:

are respectively,

A Logical Circuit with Five Gates

(June)

Choices

Choice (4)Response

a.

0,1

b.

1,0

c.

1,1

d.

0,0

Edit

Question 280

Appeared in Year: 2012

Question MCQ▾

Charges Q, Q and -2Q are placed on the vertices of an equilateral triangle ABC of sides of length , as shown in the figure

Three Charges at the Vertices of Triangle

The dipole moment of this configuration of charges, irrespective of the choice of origin, is – (June)

Choices

Choice (4)Response

a.

b.

c.

d.

0

Edit

Question 281

Appeared in Year: 2012

Question MCQ▾

The energy in the ground state and first excited state of a particle of mass in a potential are and , respectively, (in units in which ) . If the corresponding wave functions are related by , then the ground state eigen function is – (December)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 282

Appeared in Year: 2012

Question MCQ▾

Consider an infinite conducting sheet in the XY – plane with a time dependent current density , where K is constant. The vector potential at is given by . The magnetic field is –

(December)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit