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प्रश्न
The effective resistance of three resistors connected in series is lesser than the lowest of the individual resistances.
पर्याय
True
False
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उत्तर
The effective resistance of three resistors connected in series is lesser than the lowest of the individual resistances - false.
Correct Statement:
The effective resistance of three resistors connected in series is greater than the highest of the individual resistance.
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संबंधित प्रश्न
Two copper wires are of the same length, but one is thicker than the other. Which wire will have more resistance?
How does the resistance of a wire depend on its length? Give a reason for your answer.
Name three factors on which resistance of a given wire depends and state how is it affected by the factors stated by you.
Two wires of the same material and same length have radii 1 mm and 2 mm respectively. Compare their resistances.
The resistance of a conductor is R. If Its length is doubled, then its new resistance will be ______.
______ is the only non-metal that is a good conductor of electricity.
If the area of cross-section of the conductor is doubled its resistance gets ______.
Three resistors are connected in parallel with a battery. If the current in each resistor is 2A, then the current through the battery will be ______.
Match the following:
| Column I | Column II | ||
| 1. | Resistor | a. | Galvanometer |
| 2. | Connecting wire | b. | Voltmeter |
| 3. | Current in an electric circuit | c. | Copper |
| 4. | Potential difference | d. | Constantan |
Observe the given circuit diagram and answer the questions that follow:
- Calculate the resistance of the circuit when the key K completes the circuit.
- Calculate the current through 3Ω resistance when the circuit is complete.
