Electricity Q36(b) — Class 10 Physics Solution

Physics-10th Electricity CBSE Board 2024 Medium

(i)You have three resistors of resistance $R_{1}$ , $R_{2}$ and $R_{3}$ . If the equivalent resistance of series and parallel combination of the three resistors are $R_{s}$ and $R_{p}$ respectively, write the relationship to determine $R_{s}$ and $R_{p}$ in terms of $R_{1}$ , $R_{2}$ and $R_{3}$ .
(ii)On the basis of the given circuit answer the questions given below : (I) Write the relationship between the readings of the two ammeters $A_{1}$ and $A_{2}$ . Give reason for your answer. (II) What is the equivalent resistance of the parallel combination of three resistors ? (III) What is the value of current flowing in the circuit ?

🔒 Step-by-step solution

(i) You have three resistors of resistance R_1, R_2 and R_3. If the equivalent resistance of series and paral…