Advertisements
Advertisements
प्रश्न
Calculate the equivalent resistance between the points A and B for the following combination of resistors:
Advertisements
उत्तर
`1/("R"_1') = 1/12 + 1/4 + 1/6 = (1 + 3 + 2)/12 = 6/12`
`1/("R"_1') = 1/2`
R1' = 2 Ω
Total resistance = 5 + 2 + 6 = 13 ohm.
संबंधित प्रश्न
If the length of a wire is doubled by taking more of wire, what happens to its resistance?
Give one example to show how the resistance depends on the nature of material of the conductor.
How does the resistance of a wire change when:
its length is tripled?
What possible values of resultant resistance one can get by combining two resistances, one of value 2 ohm and the other 6 ohm?
What do you mean by power rating of an electrical appliance? How do you use it to calculate
(a) the resistance of the appliance and
(b) the safe limit of the current in it, while in use?
State the effect of rise in temperature on the resistance of semi-conductors.
How does the resistivity of a semiconductor depend on temperature?
State expression for Resistance connected in series.
Six equal resistors of 1 ohm each are connected to form the sides of a hexagon ABCDEF. Calculate the resistance offered by the combination if the current enters at A and leaves it at D.
