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प्रश्न
Assertion (A): Copper is used to make electric wires.
Reason (R): Copper has very low electrical resistance.
विकल्प
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is NOT the correct explanation of A.
A is true but R is false.
A is false but R is true.
Both A and R are false
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उत्तर
Both A and R are true and R is the correct explanation of A.
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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?
Name three factors on which resistance of a given wire depends and state how is it affected by the factors stated by you.
Resistance of a wire depends on, ______.
What happens to the resistance, as the conductor is made thicker?
What is resistance?
What is the maximum resistance one can make with ten 1Ω resistors?
______ 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 ______.
A rheostat is also known as fixed resistance.
|
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
