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प्रश्न
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संबंधित प्रश्न
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.
Calculate the equivalent resistance of the following combination of resistor r1, r2, r3, and r4
Why are thick copper wires used as connecting wires?
Write an expression for calculating electrical power in terms of current and resistance.
Calculate the equivalent resistance between the points A and B for the following combination of resistors:
In the circuit shown below, calculate the equivalent resistance between the points (i) A and B, (ii) C and D.
Illustrate-combination of cells e.g., three cells, in series, explaining the combination briefly. Obtain an expression for current ‘i’ in the combination.
Two resistors of 4Ω and 6Ω are connected in parallel to a cell to draw 0.5 A current from the cell.
Draw a labelled circuit diagram showing the above arrangement.
