Search SchoolNGR

Saturday, 02 May 2026
Register . Login

Physics Past Questions and Answers

Jamb Physics Questions

Question 371:
If the distance between two stationary charged particle is doubled, the magnitude of the electro-static force between them will be
  • A Doubled
  • B Halved
  • C A quarter of its former value
  • D Unchanged
  • E Four times the original value
View Answer & Explanation
Question 372:
Which of the following methods CANNOT be used to produce a steel magnet? The
  • A Passing of an electric current through a solenoid
  • B Repeated stroking of the specimen with a magnet
  • C Repeated stroking of the specimen in opposite directions with magnets
  • D Heating of the specimen
  • E Hammering of the specimen in the earth's magnetic field
View Answer & Explanation
Question 373:
A cell gives a current of 0.15A through a resistance of 8\(\Omega\) and 0.3A. When the resistance is changed to 3\(\Omega\) the internal resistance of the cell is
  • A 0.05\(\Omega\)
  • B 1.00\(\Omega\)
  • C 1.50\(\Omega\)
  • D 2.00\(\Omega\)
  • E 2.50\(\Omega\)
View Answer & Explanation
Question 374:
Which of the following will convert a milliammeter to a voltmeter?
  • A Low series resistance
  • B Low parallel resistance
  • C High series resistance
  • D High parallel resistance
  • E Parallel resistance equal to milliammeter resistance
View Answer & Explanation
Question 375:
A wire P has half the diameter and half the length of a wire Q of similar material. The ratio of the resistance of P to that of Q is
  • A 8 : 1
  • B 4 : 1
  • C 2 : 1
  • D 1 : 1
  • E 1 : 4
View Answer & Explanation