Search SchoolNGR

Tuesday, 05 May 2026
Register . Login

Physics Past Questions and Answers

Jamb Physics Questions

Question 31:
A magnet is moved through a coil of wire. The e.m.f. produced in the wire depends on
  • A The number of turns in the coil
  • B The strength of the magnet
  • C The speed at which the magnet is moved
  • D All of the above
  • E None of the above
View Answer & Explanation
Question 32:
In order to convert a galvanometer into an ammeter
  • A A low resistance shunt is connected in parallel
  • B A low resistance shunt is connected in series
  • C A medium resistance shunt is connected in series
  • D A high resistance shunt is connected in parallel
  • E A high resistance shunt is connected in series
View Answer & Explanation
Question 33:
In a D.C. circuit, a 10 microfarad (mf) capacitor is placed in series with a 10 0hm resistor. The total resistance of the combination is
  • A 10 ohms
  • B 1 ohms
  • C Zero
  • D 20 ohms
  • E Infinite
View Answer & Explanation
Question 34:
On an a.c generator, which of the following does not apply?
  • A Field magnet
  • B Commutator
  • C Armature
  • D Slip rings
  • E Carbon brushes
View Answer & Explanation
Question 35:
Why is it impossible for the lines of force of an electric field to cross one another?
  • A Like charges repel each other
  • B A charged particle is deflected by an eletric field
  • C Like charges are arranged on the same line of force
  • D A positively charged particle can travel in only one direction at any time
  • E None of these is correct
View Answer & Explanation