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प्रश्न
State expression for Resistance connected in series.
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उत्तर
R = r1 + r2 + r3, resistances in series.
संबंधित प्रश्न
Complete the following :-
(a)
A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω, 0.5 Ω and 12 Ω, respectively. How much current would flow through the 12 Ω resistor?
The V-I graph for a series combination and for a parallel combination of two resistors is shown in the figure below. Which of the two A or B. represents the parallel combination? Give reasons for your answer.
Two resistances X and Y are connected turn by turn:
- in parallel, and
- in series.
In which case the resultant resistance will be less than either of the individual resistances?
In series combination of resistances ______.
To increase the effective resistance in a circuit, the resistors are connected in _______________ .
When do you say that the resistors are connected in this way? Draw a circuit diagram.
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.
