WebApr 3, 2024 · (i) same polarity, (ii) opposite polarity. The configuration is connected to a galvanometer and a jockey to the potentiometer. The balancing lengths in the two cases … WebAnother possible way is to increase the potential droop across the potentiometer wire by increasing the voltage of driver cell. Example: The Fig. shows a 2.0 V potentiometer used for the determination of internal resistance of a 1.5 V cell. The balance point of the cell in open circuit is 76.3 cm.
In potentiometer experiment a cell of emf. 1.5V connected in the ...
WebFeb 9, 2024 · In an experiment to find emf of a cell using potentiometer, the length of null point for a cell of emf 1.5 V is found to be 60 cm. If this cell is replaced by another cell of emf E. the length-of null point increases by 40 cm. The value of E is x/10 V. The value of x is _______. jee main 2024 1 Answer +1 vote WebIn a potentiometer circuit a cell of EMF 1.5 V gives balance point at 36 cm length of wire. If another cell of EMF 2.5 V replaces the first cell, then at what length of the wire, the balance point occurs? (1) 60 cm (2) 21.6 cm (3) 64 cm (4) 62 cm ... daily calendar 2022 king county
In a potentiometer circuit, a cell of EMF 1.5 V gives the balance point
WebIn a potentiometer a cell of emf 1.5 V gives a balanced point at 32 cm length of the wire. If the cell is replaced by another cell then the balance point shifts to 65.0 cm then the emf … WebIf a cell of internal resistance 1.5 Ω and emf of 1.5 V balances 500 cm on a potentiometer wire, now by what length would the balance point shift if a cell of internal resistance 2 Ω and emf of 2 V is connected in parallel (along the same polarity) with the prior cell? A 71.4 cm towards left B 71.4 cm towards right C 125 cm towards right D WebA potentiometer wire of length 1 m is connected to a driver cell of emf 3 V as shown in the figure. When a cell of 1×5 V emf is used in the secondary circuit, the balance point is … biography black congressmen