_ potential difference is required for establishing steady current?
Correct answer: B. Constant
- A. Minimum
- B. Constant
- C. Maximum
- D. Varying
Explanation
The potential difference is the amount of work done in moving a unit positive charge without acceleration from one point to another along any closed path between the two points.So, we need constant potential difference for establishing a steady current.
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About Current Electricity
Steady current relates charge flow to potential difference, resistance and resistivity, including how temperature changes a conductor's resistance. Sources with internal resistance have terminal voltage below their emf when delivering current, and maximum power output occurs under a specific load condition rather than at zero resistance.
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