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
Find the equivalent resistance between points A and B.
Name the material which is used for making the heating element of an electric iron.
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 diameter is tripled?
State how are the two resistors joined with a battery when same current flows in each resistor.
State and explain the laws of resistance.
Three resistors of 6Ω, 3Ω and 2Ω are connected together so that their total resistance is greater than 6Ω but less than 8Ω Draw a diagram to show this arrangement and calculate its total resistance.
Calculate the quantity of heat that will be produced in a coil of resistance 75 Ω if a current of 2A is passed through it for 2 minutes.
If the current I through a resistor is increased by 100% (assume that temperature remains unchanged), the increase in power dissipated will be:
