MEDIUM
10th ICSE
IMPORTANT
Earn 100

Name two factors on which the internal resistance of a cell depends and state how does it depend on the factors stated by you.

Important Questions on Current Electricity

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(B)>Q 4
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
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(B)>Q 4
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
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(B)>Q 4
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
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(B)>Q 4
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
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(B)>Q 5
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
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(B)>Q 5
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?
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(B)>Q 6
Explain why the p.d. across the terminals of a cell is more in an open circuit and reduced in a closed circuit.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(B)>Q 7
Write the expressions for the equivalent resistance R of three resistors R1, R2 and R3 joined in parallel.