(1)Consider the circuit in the diagram, with six identical bulbs, three switches
ID: 1323619 • Letter: #
Question
(1)Consider the circuit in the diagram, with six identical bulbs, three switches, and a battery. For the state with switches 2 and 3 closed, 1 open, rank the bulbs in the order from brightest to dimmest.
(2)Consider the current flowing through bulb 5.
All switches are closed, then switch 1 is opened. Does the current through the bulb increase, decrease, or stay the same?
All switches are closed, then switch 2 is opened. How does the current through bulb 5 change?
Then switch 1 is also opened. How does the current through bulb 5 change?
Finally, switch 3 is opened as well. How does the current through bulb 5 change now?
(1)Consider the circuit in the diagram, with six identical bulbs, three switches, and a battery. For the state with switches 2 and 3 closed, 1 open, rank the bulbs in the order from brightest to dimmest. (2)Consider the current flowing through bulb 5. All switches are closed, then switch 1 is opened. Does the current through the bulb increase, decrease, or stay the same? All switches are closed, then switch 2 is opened. How does the current through bulb 5 change? Then switch 1 is also opened. How does the current through bulb 5 change? Finally, switch 3 is opened as well. How does the current through bulb 5 change now?Explanation / Answer
1)
6> 1> 4=5
bulb six has same voltage drop as the rest bulbs , but current through it is higher as compared to others.
Current throguh bulb 5 is less than 6 but more than 4 and 5
2) Current will increase switch S1 is opened(ans) . due to increase in circuit current.
Current will increase through 5 when S2is opened.
When S1 is opened this time Current decreases (ans) due to increase in circuit resistance.
When S3 is opened current remains same.(ans)
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