2013 - JAMB Physics Past Questions and Answers - page 4
If the linear magnification of the objective and eyepiece convex lenses of a compound microscope are 4 and 7 respectively. Calculate the angular magnification of the microscope
The angle of deviation of light of various colours passing through a triangular prism increases in the order
Calculate the force acting on an electron of charge 1.5 x 10-19C placed in an electric field of intensity 105Vm-1
Capacitors are used in the induction coil to
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
Which of the following obeys ohms laws?
A house has ten 40W and five 100W bulbs. How much will it cost the owner of the house to keep them lit for 10 hours if the cost of a unit is 5N?
An electric device is rated 2000W, 250V. Calculate the maximum current it can take
When a charge moves through an electric circuit in the direction of an electric force, it
To convert a galvanometer to a voltmeter, a