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संबंधित प्रश्न
Find the expression for the resistors connected in series and write the two characteristics of it. (Draw figure).
If the equivalent resistance is to be increased, then the number of resistances should be connected in
- Series
- Parallel
- Mixed arrangement
- None of the above
Calculate the equivalent resistance of the following combination of resistor r1, r2, r3, and r4
Choose the correct alternative and rewrite the following:
You are given three equal resistances. In how many combinations can they are arranged?
Why are thick copper wires used as connecting wires?
Define the term resistivity and state its S.I. unit. Which will have higher resistivity a conductor or an insulator.
The voltage applied to a given rheostat is made four times its initial value. By what factor will be resistance of the rheostat change?
Two wires of same material and same lengths have radii in the ratio of 2 : 3, Compare their resistances.
Two electric bulbs have resistances in the ratio 1 : 2. If they are joined in series, the energy consumed in them is in the ratio:
