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प्रश्न
Give units of specific resistance.
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उत्तर
The S.I. unit of specific resistance is ohm cm or Ω cm.
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संबंधित प्रश्न
When a 4 Ω resistor is connected across the terminals of a 12 V battery, the number of coulombs passing through the resistor per second is:
(a) 0.3
(b) 3
(c) 4
(d) 12
Give the law of combination of resistances in series.
Calculate the combined resistance in each case:
State how are the two resistors joined with a battery when same current flows in each resistor.
How will you oonnect five resistors, each of the value one ohm, to obtain an equivalent resistance of 0.2 `Omega`
Write an expression for the resistance of a conducting wire in terms of its length and area of cross-section.
State expression for Cells connected in parallel.
State a relation between electrical power, resistance and potential difference in an electrical circuit.
Calculate the equivalent resistance between the points A and B for the following combination of resistors:
