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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
How does the resistance of a wire depend on its radius? Explain your answer.
How does the resistance of a wire depend on its length? Give a reason for your answer.
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An electric bulb is rated ‘240 V, 100 W’.
- What information can you get from the above statement?
- What will happen if this bulb is connected across 220 V?
- Calculate the resistance of the bulb.
- Also find the energy consumed by the bulb in 10 minutes.
The ______ is the measure of opposition offered by the component to the flow of electric current through it.
A rheostat is also known as fixed resistance.
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 |
Define the following:
Fixed resistor
|
5 bulbs are connected in series in a room. One bulb is fused. It is removed and remaining 4 bulbs are again connected in series to the same circuit. What will be the effect on the following physical quantities? (Increases, Decreases, Remain Same). |
- Resistance
- Intensity of light
Two copper wires are of the same length, but one is thicker than the other. Which wire will have more specific resistance?
