Jamb 2005 Physics Past Questions And Answers

Note: You Can Select Post UTME Schools Name Below The Exam Year.
1

A car battery rated 45 A H is charged with a charger whose rating is 2.5A.How long will it take to charge the battery full?

  • A. 10 hrs
  • B. 18 hrs
  • C. 20 hrs
  • D. 25 hrs
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2

Two charged particles are projected into a region where there is a magnetic field perpendicular to their velocities. if the charges are deflected in opposite directions, which of the following statements is true of the charge?

  • A. the charge must be of opposite sign
  • B. positive charges are more in number
  • C. the charges are electrically neutral
  • D. the charges are of the same sign
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3

In an ideal wheel an axle system, R stand for the radius of the wheel and r is the radius of the axle. the mechanical advantage is

  • A. (R/r)2
  • B. r/R
  • C. (r/R)2
  • D. R/r
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4

The figure below shows three capacitors, 2μF, 3μF and 6μF connected in series. If the p.d across the system is 12V, the p.d, across the 6μF capacitor is

  • A. 4V
  • B. 12V
  • C. 2V
  • D. 6V
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5

The sharpness of the boundary of the shadow of an object is determined by the

  • A. intensity of light striking the object
  • B. rays of light passing through the object
  • C. nature of the object
  • D. opacity of the object
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6

In the circuit diagram of a transistor below, the terminal P, Q and R represent

  • A. EMITTER, BASE and COLLECTOR
  • B. COLLECTOR, EMITTER and BASE
  • C. BASE, COLLECTOR and EMITTER
  • D. BASE, ENITTER and COLLECTOR
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7

I. Melting

II. Boiling

III. Refraction

IV. Conduction

Which combination of the above is evident of the molecular nature of matter?

  • A. II , III and IV only
  • B. I ,II and IV only
  • C. I , III and IV only
  • D. I , II and III only
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8

The charge carriers in gasses are

  • A. ions only
  • B. electrons and ions
  • C. electrons and holes
  • D. electrons only
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9

In the figure below, the work done by the force of 100N inclined at an angle of 60o to the object dragged horizontally to a distance of 8m is

  • A. 800J
  • B. 600J
  • C. 100J
  • D. 400J
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10

A 3m3 volume of liquid W of density 200kgm3 is mixed with another liquid L of volume 7m3 and density 150kgm-3. the density of mixture is?

  • A. 165kgm-3
  • B. 100kgm-3
  • C. 265kgm-3
  • D. 350kgm-3
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