describe basic condidtion neccesary 2 produce current in circuit without voltage source?

0 ⤊

2007-06-14 13:32:03 · 3 answers · asked by Connie 1 in Science & Mathematics ➔ Physics

A varying external electric field.

2007-06-14 13:36:13 · answer #1 · answered by Scarlet Manuka 7 · 0⤊ 0⤋

A varying magnetic field and a conducting path.

2007-06-14 13:40:23 · answer #2 · answered by Gene 7 · 0⤊ 0⤋

A current will flow between two dissimilar metals in close contact with each other, eg, a thermocouple.

2007-06-18 05:32:30 · answer #3 · answered by johnandeileen2000 7 · 0⤊ 0⤋