Class X By convention, the charge on a glass rod that has been rubbed with silk is called Positive Negative either positive or negative none of these . Current is measured in Amperes using _______. work done, 1J(1 Joule) Ohm-meter (Ωm) sum, R = R1 + R2 + R3 + ... ammeter The _________ of the material is the resistance per unit length of a unit cross section of the material 18 Ω parallel Ohm-meter (Ωm) resistivity The effective resistance is less than any individual resistances when resistances are connected in _________. parallel series work done, 1J(1 Joule) Ohm-meter (Ωm) If 90 coulombs charge passes through the conductor for 5 minutes, then the current in the conductor is _____. 0.3A work done, 1J(1 Joule) Ohm-meter (Ωm) sum, R = R1 + R2 + R3 + ... Do you really want to submit this quiz? Cancel Submit Quiz