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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A 6 volt battery of negligible internal resistance is connected across a uniform wire AB of length 100cm. The positive terminal of another battery of emf 4V and internal resistance 1Ω is joind to the point A as shown in figure. Take the potential at B to be zero. (a) What are the potentials at the points A and C ? (b) At which D of the wire AB, the potential is equal to the potential at C. ( c) If the point C and D are connected by a wire. What will be the current through is ? (d) Id the 4V battery is replaced by 7.5 V battery, what would be the answers of parts (a) and (b) ?

A 6 volt battery of negligible internal resistance is connected across a uniform wire AB of length 100cm. The positive terminal of another battery of emf 4V and internal resistance 1Ω is joind to the point A as shown in figure. Take the potential at B to be zero. (a) What are the potentials at the points A and C ? (b) At which D of the wire AB, the potential is equal to the potential at C. ( c) If the point C and D are connected by a wire. What will be the current through is ? (d) Id the 4V battery is replaced by 7.5 V battery, what would be the answers of parts (a) and (b) ?

In the circuit shown below the key is pressed at time t = 0. Which of the following statements is are true ?