Advertisements
Advertisements
प्रश्न
How will you oonnect five resistors, each of the value one ohm, to obtain an equivalent resistance of 0.2 `Omega`
Advertisements
उत्तर
Five resistors each of value 1 ohm s hou Id be connected in paral le I to obtain an equivalent resistance of O. 2 ohm.
Equivalent parallel resistance RP = `("Resistance of each resistor"/"No. of resistors") = 1/5 = 0.2 Omega`
APPEARS IN
संबंधित प्रश्न
Find the equivalent resistance between points A and B.

Two resistors of 4Ω and 6 Ω are connected in parallel to a cell to draw 0.5 A current from the cell.
(i) Draw a labelled circuit diagram showing the above arrangement.
(ii) Calculate the current in each resistor. What is an Ohmic resistor?
Give one example to show how the resistance depends on the nature of material of the conductor.
What material is used for making wire to prepare heating coils? Give a reason.
Calculate the equivalent resistance between the points A and B for the following combination of resistors:
Two lamps of resistance 30Ω and 20Ω respectively are connected in series in a 110V circuit. Calculate:
(i) the total resistance in the circuit
(ii) the current in the circuit, and
(iii) the voltage drop across each lamp.
Illustrate-combination of cells e.g., three cells, in series, explaining the combination briefly. Obtain an expression for current ‘i’ in the combination.
Illustrate-combination of cells e.g., three cells, in parallel, explaining the combination briefly. Obtain an expression for current ‘i’ in the combination.
Consider the following combinations of resistors:




The combinations having equivalent resistance 1 Q is/are ______.
