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Hitman42 [59]
3 years ago
13

Determine the voltage Vab for the first circuit and also determine the voltages Vab and Vcd for the second circuit

Physics
1 answer:
Andru [333]3 years ago
5 0

Vab= E = 20V

because I = 0 and the voltage drop across the resistances R1 and R2 is also 0.

Second circuit:

Vab = 10V (no voltage drop across R1)

Vcd= E2-E1 = 20V

Series connection of voltage sources. But the sources are connected to the contrary and voltage drop across R1 or R2 is 0 V.

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