The ratio of potential difference across AB in the circuit shown for the case (i) when…
Physics · Class 12 · CBSE — Current Electricity
The ratio of potential difference across AB in the circuit shown for the case (i) when switch S is closed and (ii) when S is open is:
- \(\frac{1}{4}\)
- \(\frac{1}{2}\)
- 1
- 2
Answer
(A) 1 4
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A wire of resistance 10 is elongated by 10%. The resistance of the elongated wire is:
- When the terminals of a cell are connected to a conductor of resistance R, an electric current flows through…
- Three copper wires have lengths and cross-sectional areas as (l, A); (2l, A2 ) and ( l2 , 2 A). Resistance is…
- m 2 V -1 s -1 is the SI unit of which of the following?
- A current flows through a cylindrical conductor of radius R. The current density at a point in the conductor…
- Two resistors R 1 and R 2 of 4 and 6 are connected in parallel across a battery. The ratio of power…
- An electric motor runs on DC source of emf 200 V and draws a current of 10 A. If the Efficiency be 40%, then…
- Assertion (A): The given figure does not show a balanced wheatstone bridge. Reason (R): For a balanced bridge…
More Current Electricity questions · Browse all practice questions