foe the circuit shown here, the potential difference between points A and B
. plzz give me full solution of this and I swear I will follow you ..
Answers
answer is 4.7 volt
in first picture i simplify the circuit so, that it should be easy . in second picture i find the value of Q and then put into the equation of Va-Vb .
there is no use of resistance .
Answer:
For the circuit shown, the potential difference between A and B is 2.5V.
Explanation:
For the circuit shown, to find the potential difference between A and B,
- Solve and reduce the circuit as much as possible.
- Remove any redundant elements from the circuit.
- Apply KCL/KVL current or voltage division formulae on the circuit according to the value to be determined.
Calculation:
- Reduce the two series capacitors on the right 2C, 2C into a single capacitor.
C' = (2C * 2C)/(2C + 2C)
C' = C
- Reduce the two parallel capacitors on the right C, C into a single capacitor.
C' = C + C = 2C
- Reduce the two series capacitors on the left 6C, 6C into a single capacitor.
C' = (6C * 6C)/(6C + 6C)
C' = 3C
- Reduce the two parallel capacitors on the left 3C, 3C into a single capacitor.
C' = 3C + 3C = 6C
- Remove the resistor and the capacitor C parallel to the voltage source as they are redundant.
- Now we have a flow in the circuit as A, 6C, B, 2C, V in clockwise direction.
V = Q/C
Vab = V - V_2C
V_2C = Q/2C
C_eq = (2C * 6C)/(2C + 6C) = 1.5C
Q = 10 * C_eq = 10 * 1.5C = 15C
Vab = 10 - 15C/2C = 10 - 7.5
The potential difference between A and B is 2.5V.
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