Search SchoolNGR

Sunday, 16 August 2026
Register . Login

Physics Past Questions and Answers

Topic: Arrangement of cells

Jamb Physics Questions - Arrangement of cells

Question 26:
A cell can supply current of 0.4 A and 0.2 A through a 4.0Ω and 10.0Ω resistors respectively.
This internal resistance of the cell is
  • A 2.0Ω
  • B 1.0Ω
  • C 2.5Ω
  • D 1.5Ω
View Answer & Explanation
Question 27:
The current through a resistor in an a.c circuit is given as 2 sin wt. Determine the d.c. equivalent of the current
  • A A/√2
  • B 2/√A
  • C 2 A
  • D √2 A
View Answer & Explanation
Question 28:
The current through a resistor in an a.c circuit is given as 2 sin wt. Determine the d.c. equivalent of the current
  • A A/√2
  • B 2/√A
  • C 2 A
  • D √2 A
View Answer & Explanation
Question 29:
A cell of emf 1.5V is connected in series with a 1Ω resistor and a current of 0.3A flows through the resistor. Find the internal resistance of the cell
  • A 4.0Ω
  • B 3.0Ω
  • C 1.5Ω
  • D 1.0Ω
View Answer & Explanation
Question 30:
What is the resultant resistance of the circuit in the image shown?
  • A 8Ω
  • B 11Ω
  • C 4Ω
  • D 3.6Ω
View Answer & Explanation