Easy circuit question help please?


if grounded mean referencing earth ground (connecting 1 point of circuit earth's ground) there no change in circuit of operation.

if grounded mean connecting 1 of points of circuit local "ground" (usually negative terminal of battery) outcome depend on point connected.

if have circuit, post it, can give more info

if have simple circuit battery , circuit grounded, how current flow through circuit? (and don't know if need resistor or not, please explain why or why not) thanks!


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