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प्रश्न
A graph is plotted taking p.d. along y-axis and electric current along x-axis. Name the physical quantity that represents the slope of this graph (Fig.).
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संबंधित प्रश्न
If the equivalent resistance is to be increased, then the number of resistances should be connected in
- Series
- Parallel
- Mixed arrangement
- None of the above
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(i) Draw a labelled circuit diagram showing the above arrangement.
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(a) 0.1 Ω
(b) 10 Ω
(c) 20 Ω
(d)40 Ω
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State the effect of rise in temperature on the resistance of semi-conductors.
Write an expression for the resistance of a conducting wire in terms of its length and area of cross-section.
