Physics · Current Electricity

Which of the following statements is true regarding ideal electrical sources?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Internal resistance is zero for an ideal current source.
2Internal resistance is infinite for an ideal voltage source.
3Internal resistance is zero for an ideal voltage source and infinite for an ideal current source.✓
4Internal resistance should be zero for both ideal current and ideal voltage sources.

Correct answer

Internal resistance is zero for an ideal voltage source and infinite for an ideal current source.

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