In a potentiometer, experiment, the balancing length is at 240 cm with a cell. On…
Physics · JEE Main · NTA Exams — Current Electricity
In a potentiometer, experiment, the balancing length is at 240 cm with a cell. On shunting the cell with a resistance of 2Ω the balancing length becomes 120 cm .What is the internal resistance of the cell.
- 0.5 Ω
- 1Ω
- 2Ω
- 4Ω
Answer
(C) 2 Ω
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The resistance of the series combination of two resistances is S. When they are joined in parallel, the total…
- A 200 volt,1000 watt bulb is connected across 100 volt main supply.What will be power consumed.
- Read the following statements carefully Y: The resistivity of semiconductor decreases with increase of…
- Determine the value of resistance R if the current in branch OA is zero.
- You need to produce a set of cylindrical copper wires 3.50 m long that will have a resistance of 0.125 each…
- Find out the value of current through 2Ω resistance for the given circuit.
- A 100 watt,110 volt and a 50 watt,110 volt lamps are connected in series across 220 volt d.c. source. If the…
- By increasing the temperature, the specific resistance of a conductor and semiconductor
More Current Electricity questions · Browse all practice questions