Resistors 1
| First | First | Last | 1b) Results | Question text 1 | Image 1 | W has a current of | X has a potential difference of | Y has a potential difference of | Z has a potential difference of | 1a) Using the concept of energy transfer, explain how using a resistor reduces the brightness of the lamp? | 1b) Calculate the resistance of the resistor? | 1b) Correct Answer | 1b) Round Answer | 1b) Results | Show your workings: | 1c) Calculate the resistance of the lamp? | 1c) Correct Answer | 1c) Round Answer | 1c) Results | Show your workings: |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ppefmh | Ed | Garstin | Incorrect | The diagram below shows a series circuit with a resistor and a lamp. | ![]() | 0.6 | 54 | 11 | 43 | bdfb | 342 | 18.333333333333336 | 43 | Incorrect | sfdsdf | 432 | 32.4 | 43 | Incorrect | sdf |
| First | First | Last | 1b) Results | Question text 1 | Image 1 | W has a current of | X has a potential difference of | Y has a potential difference of | Z has a potential difference of | 1a) Using the concept of energy transfer, explain how using a resistor reduces the brightness of the lamp? | 1b) Calculate the resistance of the resistor? | 1b) Correct Answer | 1b) Round Answer | 1b) Results | Show your workings: | 1c) Calculate the resistance of the lamp? | 1c) Correct Answer | 1c) Round Answer | 1c) Results | Show your workings: |
