Question

Q. 1 The temp remaining constant, the resistance of conductor is _________

a) directly proportional to its cross-sectional area.

b) directly proportional to its length.

c) directly proportional to its mass.

d) None of them

Q. 2 The specific resistance of a material is nothing but, it is resistance per unit length

Of conductor having unit cross-sectional area.

a) True

b) False

Q. 3 Unit of specific resistance is ________

a) ohm-m2

b) ohm

c) ohm-m

d) None of them

Q. 4 In series resistance, which following equation is correct _________

a) V = I2

b) I = I1 + I2

c) V = V + V2

d) All are correctm​

Answer 1

Answer:

Ans 1 option A

Ans 2 option B

Answer 3 option B

Answer 4 option D