Conductivity is the reciprocal of:
Correct answer: A. Resistivity
- A. Resistivity
- B. Magnetic field
- C. Capacitance
- D. Resistance
Explanation
Conductivity is an intrinsic property of a material that measures how easily electricity flows. Another intrinsic property of a material is resistivity which measures how much a material resists the flow of electricity. The symbol for resistivity is the lowercase Greek letter rho,ρ, and resistivity is the reciprocal of electrical conductivity:
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Steady current relates charge flow to potential difference, resistance and resistivity, including how temperature changes a conductor's resistance. Sources with internal resistance have terminal voltage below their emf when delivering current, and maximum power output occurs under a specific load condition rather than at zero resistance.
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