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Class 12 Physics Practice Test: Combination of Resistors - Series and Parallel
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Class 12 Physics Practice Test: Combination of Resistors - Series and Parallel
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10 Questions

1. What is the equivalent resistance of series combination of 3 resistors?
2. Pick out the correct statement from the following about parallel combination of resistors.
3. Two wires of the same material have the same length but their radii are in the ratio of 5:3. They are combined in series, where the resistance of the thicker wire is 12 ohms. Calculate the total resistance of the combination.
4. Identify the combination which is not a series connection.
5. In series connection of resistors, what happens to the current across each resistor?
6. The equivalent overall resistance is smaller than the smallest parallel resistor.
7. Calculate resultant resistance between the points A and B in the circuit shown in the figure below.
8. A set up is such that there are three similar resistors, each of 20 ohms resistance. Two of them are connected in parallel, and this combination is connected in series with the third one. The maximum power that can be consumed by each resistor is 30 W. Then, what is the maximum power that can be consumed by the combination of all three resistors?
9. Two resistors are connected in parallel, whose resistance values are in the ratio 3:1. Find the ratio of power dissipated.
10. Three resistors each of 5 ohms are connected in the form of a triangle. What is the resistance between the vertices?

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