Physics Group - II (3110018) MCQs

MCQs of Superconductivity

Showing 1 to 10 out of 28 Questions
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1.

Below transition temperature, the electrical resistance of the superconductor is.....

(a)

Finite
(b)

Large
(c)

Zero
(d)

None
Answer:

Option (c)

2.

The phenomena of superconductivity was first discovered by.....

(a)

Kammerlingh Onnes
(b)

Richard Smalley
(c)

Otto lehman

 
(d)

Neils bohr
Answer:

Option (a)

3.

Super conductors are discovered in the year

 
(a)

1900
(b)

1991
(c)

1911
(d)

1905
Answer:

Option (c)

4.

 The temperature at which the conductivity of material becomes infinite is called.....

(a)

 Critical temperature
(b)

Absolute temperature
(c)

Mean temperature
(d)

Crystallization temperature
Answer:

Option (a)

5.

The minimum amount of current passed through the body of the superconductor in order to destroy the superconductivity is called.....

 

(a)

Normal current

 
(b)

Critical current
(c)

Eddy current
(d)

Hall current
Answer:

Option (b)

6.

Below transition temperature, the London penetration depth.

(a)

Almost constant
(b)

Increases exponentially
(c)

Decreases exponentially
(d)

None
Answer:

Option (a)

7.

The magnetic lines of force cannot penetrate the body of a superconductor, a phenomenon is known as.....

 

(a)

Isotopic effect
(b)

BCS theory
(c)

Meissner effect
(d)

London theory
Answer:

Option (c)

8.

The relation between transition temperature (Tc) and isotopic mass (M) is.....

(a)

Tc ∝ M1/2
(b)

Tc ∝ M-1/2
(c)

Tc ∝ M-1 

 
(d)

Tc ∝ M 
Answer:

Option (b)

9.

The critical magnetic field (Hc) at temperature T K is.....

(a)

H0 1-TcT2

 
(b)

H0 1-TTc

 
(c)

H0 1-TTc2

 
(d)

H0 TTc2-1

 
Answer:

Option (c)

10.

Type-I superconductors can produce a magnetic field of the order of......

(a)

100 Tesla
(b)

10 Tesla
(c)

5 Tesla
(d)

0.1 Tesla
Answer:

Option (d)

Showing 1 to 10 out of 28 Questions
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