Can the terminal potential difference of a cell exceed its e.m.f. ?
Text Solution
Verified by Experts
Yes, when cell itself is being charged, because terminal potential difference, `V = epsilon - (- Ir) = epsilon + Ir`.
Topper's Solved these Questions
CURRENT ELECTRICITY
PRADEEP|Exercise Conceptual Problems|3 Videos
CURRENT ELECTRICITY
PRADEEP|Exercise Very short Q/A|7 Videos
COMMUNICATION SYSTEMS
PRADEEP|Exercise MODEL TEST PAPER-2|9 Videos
DUAL NATURE OF RADIATION AND MATTER
PRADEEP|Exercise Exercise|191 Videos
Similar Questions
Explore conceptually related problems
As the current drawn from the cell increases, terminal potential difference of a cell is
A student measure the terminal potential difference (V) of a cell (of emf internal energy is connected in providing the circuit is
State the condition under which the terminal potential difference across a battery and its emf are equal.
The terminal potential difference of a cell when short-circuited is (E = E.M.F. of the cell)
Give three differences between e.m.f. and terminal potential difference of a cell.
What is terminal potential differnce of a cell? Can its value be greater than the emf of a cell? Explian.
Assertion: Terminal potential difference of a cell is always less than its emf. Reason: Potential drop on internal resistance of cell increases terminal potential difference.
PRADEEP-CURRENT ELECTRICITY-Problems for Practice (B)