Question

tell me the answer fast its urgent expalin in short method Q 7​

Answer 1

If S1 and S2 are closed then R4 will short from the the circuit due to the current flowing through S2.

If both S1 and S2 are open the only resistance of R2 will be short(Note that now current flows through R4 as S2 is open) .

If only S2 is open then all resistors would be taken into consideration.

Answer 2

Answer:

S1 and S2 are open and all are connected in series....

Explanation:

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