A set of 'n' equal resistors, of values, 'R' each, are connected in series to a battery…
Physics · JEE Main · NTA Exams — Current Electricity
A set of 'n' equal resistors, of values, 'R' each, are connected in series to a battery of emf 'E' and internal resistance 'R'. The current drawn is I. Now, the 'n' resistors are connected in parallel to the same battery. Then the current drawn from battery becomes 10 I. The value of 'n' is
- 20
- 9
- 11
- 10
Answer
(B) 9
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- What will be the resistance between P and Q in the following circuit ?
- What is the total resistance of the circuit ?
- In a potentiometer, experiment, the balancing length is at 240 cm with a cell. On shunting the cell with a…
- On increasing the temperature of a conductor, its resistance increases because
- You need to produce a set of cylindrical copper wires 3.50 m long that will have a resistance of 0.125 each…
- How will you connect 24 cells each of internal resistance of 1Ω so as to get maximum power output across a…
- A wire of resistance 6 Ω is cut into three equal pieces, which are joined to form a triangle. The equivalent…
- The specific resistance of a wire is ρ, its volume is 3 m 3 and its resistance is 3 ohm, then its length will…
More Current Electricity questions · Browse all practice questions