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Series-Parallel Circuits

Q1: In the given circuit, the Thevenin voltage equals 6 V.

A True

B False

ANS:A - True

When getting the Thevenin voltage the RL is deemed as open, and since it is open then no current would flow into the 800-ohm resistor making the circuit a series connection between the 400, 200 and 600-ohm resistors.

The Thevenin voltage is equal to the voltage drop in the 600-ohm resistor since the connection is in series we can use the voltage divider formula Vth = (12V) (600) / (600+400+200) = 6V.



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