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CHAPTER # 13 CURRENT ELECTRICITY

If the length and diameter of conductor is double, the       resistance is
      a) Remain same                  b) Double                           c) Half                                d) Four time

    The reciprocal of resistivity is called
a)Resistance              b)Conduction             c)Conductivity            d)None
 One coulomb per second is equal to
a)Joule                      b)Volt                        c)Ampere       d)Walt
 In the metallic conductor the current is due to flow of charge
a)Positive                  b)Negative                 c)Proton        d)None