Kindly answer the question in the box mentioned below:

1.     Which factor is not depending upon the resistance of the conductor?

a)    Length of the conductor

b)    The shape of the conductor

c)     The material of the conductor

d)    Cross sectional area of the conductor

2.     If the length of the conductor is reduced to 50%, then the resistance of the conductor will........

a)    remain the same

b)    increase to 4 times

c)     increase to double times

d)    decreases to half the value

3.     The diameter of the conductor is reduced to half of its original dia, then the value of resistance will.....

a)    increase to 2 times

b)    increase to 4 times

c)     decrease to 2 times

d)    decrease to 4 times

4.     The resistance of the conductor is inversely proportional to its........

a)    length of the conductor

b)    density of the substance

c)     specific resistance of the material

d)    area of cross section of the conductor

5.     The S.I unit of specific resistance (resistivity) is.......

a)    ohm / cm

b)    ohm / metre

c)    ohm – metre

d)    micro ohm / cm2

6.     The resistance offered between the opposite faces of the unit volume of that material is called as.....

a)    resistivity

b)    resistance

c)     conductivity

d)    conductance

7.     Which metal is the better conductor when compared to other conductors?

a)    Silver

b)    Copper

c)     Nichrome

d)   Aluminium

8.     The specific resistance of the copper conductor is......

a)    3.75 ohm – metre

b)    1.72 micro ohm / cm3

c)     1.52 micro ohm / cms

d)    38.5 micro ohm / cm3

9.     In the expression R = ñ l/a, the letter ‘ñ’ (rho) represents........

a)    length of the conductor

b)    resistance of the conductor

c)     specific resistance of the conductor

d)    area of the cross section of the conductor

10.     How many times Nichrome has more resistance than copper?

a)    40 times

b)    50 times

c)     60 times

d)    70 times