What amount of resistance do I need to lower the voltage from a 9V battery to an LED? How do I calculate it? The LED is about 2V. - Quora
![SOLVED: when the switch is closed the galvanometer reads zero when LAn=100 cm, Lac= 30 cm. and €=4 volt. Flnd the intemal resistance in ohms lov HHi Pani Surph 3 Ohm Select SOLVED: when the switch is closed the galvanometer reads zero when LAn=100 cm, Lac= 30 cm. and €=4 volt. Flnd the intemal resistance in ohms lov HHi Pani Surph 3 Ohm Select](https://cdn.numerade.com/ask_images/df7e484a532a43928f23df6aa0043881.jpg)
SOLVED: when the switch is closed the galvanometer reads zero when LAn=100 cm, Lac= 30 cm. and €=4 volt. Flnd the intemal resistance in ohms lov HHi Pani Surph 3 Ohm Select
A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω, 0.5 Ω and 12 Ω respectively. How much current will flow through the 12 Ω resistor?
21. 6 ohm and 12 ohm resistors are connected in parallel. This combination is connected to series with a 10v battery and 6 ohm resistor. what is the potential difference between the
![Materials | Free Full-Text | The Impact of Elongation on Change in Electrical Resistance of Electrically Conductive Yarns Woven into Fabric Materials | Free Full-Text | The Impact of Elongation on Change in Electrical Resistance of Electrically Conductive Yarns Woven into Fabric](https://www.mdpi.com/materials/materials-14-03390/article_deploy/html/images/materials-14-03390-g001.png)
Materials | Free Full-Text | The Impact of Elongation on Change in Electrical Resistance of Electrically Conductive Yarns Woven into Fabric
![A battery of 9 volt is connected to a 3KΩ resistor as shown in the figure. The potential difference between two points (A,B) of the resistor is measured using (i) 20KΩ voltmeter A battery of 9 volt is connected to a 3KΩ resistor as shown in the figure. The potential difference between two points (A,B) of the resistor is measured using (i) 20KΩ voltmeter](https://haygot.s3.amazonaws.com/questions/772265_08eaf50c86b84342b0993097c358c7f3.png)
A battery of 9 volt is connected to a 3KΩ resistor as shown in the figure. The potential difference between two points (A,B) of the resistor is measured using (i) 20KΩ voltmeter
![In the circuit shown above, the current delivered by the 9-volt battery of internal resistance 1 ohm is 3 amperes. | Homework.Study.com In the circuit shown above, the current delivered by the 9-volt battery of internal resistance 1 ohm is 3 amperes. | Homework.Study.com](https://homework.study.com/cimages/multimages/16/abc9164756577472703248.png)