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'The resistance of a wire is 1 ohm'. Explain the meaning of this statement.
Concept: undefined >> undefined
How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same?
Concept: undefined >> undefined
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State three factors on which the resistance of a wire depends. Explain how the resistance depends on the factors stated by you.
Concept: undefined >> undefined
How is the resistance of a wire affected if its (a) length is doubled, (b) radius is doubled?
Concept: undefined >> undefined
State whether the resistance of filament of a bulb will decrease, remain unchanged or increase when it glows.
Concept: undefined >> undefined
Name the physical quantity of which the unit is volt
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Name the physical quantity of which the unit is coulomb
Concept: undefined >> undefined
Name the physical quantity of which the unit is ohm
Concept: undefined >> undefined
Name the physical quantitiy of which the unit is ampere
Concept: undefined >> undefined
Current in a circuit flows :
Concept: undefined >> undefined
The unit of potential difference is :
Concept: undefined >> undefined
On increasing the resistance in a circuit, the current in it :
Concept: undefined >> undefined
In transferring 1.5 C charge through a wire, 9 J of work is needed. Find the potential difference across the wire.
Concept: undefined >> undefined
A cell of potential difference 12 V is connected to a bulb. The resistance of filament of bulb when it glows is 24Ω. Find the current drawn from the cell.
Concept: undefined >> undefined
A bulb draws current 1.5 A at 6.0 V. Find the resistance of filament of bulb while glowing.
Concept: undefined >> undefined
A current 0.2 A flows in a wire of resistance 15Ω. Find the potential difference across the ends of the wire.
Concept: undefined >> undefined
At what temperature the pure water has (a) maximum density (b) minimum volume?
Concept: undefined >> undefined
Select the correct option:
Which is not a unit of distance?
Concept: undefined >> undefined
What do you understand by the term unit?
Concept: undefined >> undefined
What do you understand by the term magnitude, as applied to a physical quantity?
Concept: undefined >> undefined
