A current source should have an internal resistance that is...?

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A current source should have an internal resistance that is...?

choices are

a. non-loading
b. large
c. small
d. of low voltage drop

2007-09-24 11:42:17 · 3 answers · asked by Arabian 1 in Science & Mathematics ➔ Engineering

3 answers

Large.

A current source is aproximated by a voltage source in series with a large resistance (Thevanin equivalent). Perfect current sources are replaced with "opens" (infinite resistance) in AC analysis, while voltage sources are replaced with "shorts" (zero resistance).

.

2007-09-24 11:59:16 · answer #1 · answered by tlbs101 7 · 0⤊ 0⤋

large,
an ideal current source has an internal resistance of infinity

2007-09-24 12:41:57 · answer #2 · answered by cmbtkllr 2 · 0⤊ 0⤋

c. small

2007-09-24 11:45:42 · answer #3 · answered by Anonymous · 0⤊ 0⤋