Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
A/c to Ohm's law,
R = `"V"/"I" = 20/2` = 10 Ω
APPEARS IN
संबंधित प्रश्न
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.
Find the equivalent resistance between points A and B.
You are supplied with a number of 100 Ω resistors. How could you combine some of these resistors to make a 250 Ω resistor?
You have three resistors of values 2 `Omega`, 3 `Omega`, and 5 `Omega`. How will you join them so that the total resistance is less than 2 `Omega`?
State expression for Resistance connected in series.
Six resistances are connected together as shown in the figure. Calculate the equivalent resistance between points A and B.
A metal wire of resistance 6 Ω is stretched so that its length is increased to twice its original length. Calculate its new resistance.
Two wires of same material and same lengths have radii in the ratio of 2 : 3, Compare their resistances.
