# Circuit Theorems – Exercise – 2

51. Nota

52. Determine VTH if Ris changed to 3.3 kΩ.

(a) 0.574 ∠16.7° V
(b) 4.63 ∠16.7° V
(c) 4.63 ∠39.5° V
(d) 0.463 ∠39.5° V

Explanation
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53. For the circuit given, determine the Thevenin voltage as seen by RL.

(a) 0.574 ∠16.7° V
(b) 5.74 ∠16.7° V
(c) 0.574 ∠–16.7° V
(d) 5.74 ∠–16.7° V

Explanation
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54. In applying the superposition theorem, ________.

(a) the sources are considered one at a time with all others replaced by their internal impedance
(b) all sources are considered independently
(c) all sources are considered simultaneously
(d) the sources are considered one at a time with all others replaced by their internal resistance

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55. Nota

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