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Grade: 12

                        

Q.1 Potential difference between A and B and B and C in steady state ? Detailed Solution Please

4 years ago

Answers : (2)

Archishman khasnovis
15 Points
							pd between A and B is 25V and pd between B and C is 75V because dc current gets blocked in rc circuit when circuit reaches steady state ie capacitors are fully charged in the given circuit no current can flow
						
4 years ago
Raman Mishra
67 Points
							
Since the two 3\mu F capacitors are in parallel and also  the two 1\mu F capacitors are in parallel, the circuit can be simplified by taking equivalent capacitance i.e, 6\mu F and 2\mu F respectively. Now in the steady state, the voltage across all the parallel branches will be 100V. And in the second parallel branch of the simplified circuit, 100V will be distributed between the  6\mu F and 2\mu F according to the relation:
                                   V_{1}: V_{2}= C_{2}: C_{1}
                       Thus,    V_{1}: V_{2} = 1:3 , i.e, V1= 25V and V2 = 75V
Hence, Vab = 25V and Vbc = 75V.
4 years ago
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