Given three equal resistors. How many different combinations of these resistors can be made?Explain the answer?
A. 3. B.4. C.5. D.6
Answers
answer is option B . 4
the combinations are
1. all in series
---^^^^---^^^^---^^^^---
2. all in parallel
/---^^^^---\
---/---^^^^--------\---
\---^^^^-----/
3. 2 in parallel one in series
/---^^^^---\
------/-----^^^^-----\------^^^^-------
4. 2 in series one in parallel
-----\--^^^^------^^^^---/------
\------^^^^------/
sorry for taking so long
busy in making those circuits with computer keys :)
Explanation:
In series combination of resistors, current through each and every resistor is same and voltage divides.
For a parallel combination of resistors, voltage across each resistor is same while electric current divides.
We have given 3 equal resistors, there are 4 possible combination that can be made. The attached figure shows the possible combination.
First -All in parallel
Second-Two in parallel and other in series .
Third -Two in series and other parallel
fourth-All in series.
Learn more,
Combination of resistors
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