Test Academy | A benchtop dc power supply acts as an ideal 4 A current source as long as its terminal voltage is below 10 V. Beyond this point, it begins to behave as an ideal 10 V voltage source for all load currents going down to 0 A, When connected to an ideal rheostat, find the load resistance value at which maximum power is transferred and the corresponding load voltage and current. Short, ∞ A, 10 V, Open, 4 A, 0 V, 2.5 Ω, 4 A, 10 V, 2.5 Ω, 4 A, 5 V

Question

A benchtop dc power supply acts as an ideal 4 A current source as long as its terminal voltage is below 10 V. Beyond this point, it begins to behave as an ideal 10 V voltage source for all load currents going down to 0 A, When connected to an ideal rheostat, find the load resistance value at which maximum power is transferred and the corresponding load voltage and current.

Options :

Short, ∞ A, 10 V
Open, 4 A, 0 V
2.5 Ω, 4 A, 10 V
2.5 Ω, 4 A, 5 V

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