Initial data: Eis (EMF in the electric circuit) = 6 V; R (external resistance of the circuit) = 11 Ohm; r (internal resistance of the circuit) = 10 ohms.
1) We calculate the current in the circuit under consideration: I = Еis / (r + R) = 6 / (10 + 11) = 0.286 A.
2) Determine the voltage: U = I * R = 0.286 * 11 = 3.14 V.
Answer: The voltage is 3.14 V.
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