Electric Circuits
A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be

 0.064 Ω.
  0.032 Ω.
 0.016 Ω.
  0.128 Ω.

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Electric Circuits
The voltage induced in an inductor is represented as,

 ratio of current through it to its inductance.
 product of its inductance and current through it.
 product of its inductance and rate of change of current through it.
 ratio of its inductance to current through it.

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