The specific resistance of a conductor increases with:
Physics · Class 12 · CBSE — Current Electricity
The specific resistance of a conductor increases with:
- increase in temperature
- increase in cross-sectional area
- decrease in length
- decrease in cross-sectional area
Answer
(A) increase in temperature
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A heater coil rated as ( P , V ) is cut into two equal parts. One of the parts is then connected to a battery…
- The potential difference across a cell in an open circuit is 8 V. It falls to 4 V when a current of 4 A is…
- Dimension of resistivity (or specific resistance) is:
- When the switch of the circuit is turned on, the filament of the bulb glows instantaneously because:
- Two cells of emf E each and internal resistances r and 2r are connected in parallel as shown in the figure…
- Kirchhoff's first rule I = 0 and second rule IR = E (where the symbols have their usual meanings) are…
- A hot electric iron has a resistance of 80 and is used on a 200 V source. The electrical energy spent, if it…
- When a current is passed in a conductor, 3°C rise in temperature is observed. If the strength of the current…
More Current Electricity questions · Browse all practice questions