MEDIUM
10th ICSE
IMPORTANT
Earn 100

Explain the meaning of the terms e.m.f., terminal voltage and internal resistance of a cell.

Important Questions on Current Electricity

EASY
10th ICSE
IMPORTANT
State two differences between the e.m.f and terminal voltage of a cell.
MEDIUM
10th ICSE
IMPORTANT
Name two factors on which the internal resistance of a cell depends and state how does it depend on the factors stated by you.
EASY
10th ICSE
IMPORTANT
A cell of e.m.f. E and internal resistance r is used to send current to an external resistance R. Write expressions for the total resistance of circuit.
EASY
10th ICSE
IMPORTANT
A cell of e.m.f. E and internal resistance r is used to send current to an external resistance R. Write expressions for the current drawn from the cell.
EASY
10th ICSE
IMPORTANT
A cell of e.m.f. E and internal resistance r is used to send current to an external resistance R. Write expressions for the p.d. across the cell.
MEDIUM
10th ICSE
IMPORTANT
A cell of e.m.f. E and internal resistance r is used to send current to an external resistance R. Write expressions for voltage drop inside the cell.
MEDIUM
10th ICSE
IMPORTANT
A cell is used to send current to an external circuit. How does the voltage across its terminals compare with its e.m.f.?
MEDIUM
10th ICSE
IMPORTANT
A cell is used to send current to an external circuit. Under what condition is the e.m.f. of the cell equal to its terminal voltage?