Calendar: 1872-1873 Page 548

APPLIED SCIENCES electrical attraction and repulsion and state the results of his investigations Describe and explain the action of the condensing gold-leaf electroscope How was it employed by Volta to prove that electricity is produced by the contact of two different metals Explain the terms-electric density-potential-electro- motive force-specific inductive capacity Describe Faraday's method of comparing the specific inductive capacity of different substances Describe the construction and explain the action of the common Astatic Galvanometer What is the advantage of using two magnetic needles Describe and explain the action of Grove's gas battery and point out the explanation which it gives of polarization in batteries Explain the principle of shunt applied to galvanometer Explain method of comparing the electrical resistance of two wires What -e the relative resistances of two copper wires one of them 3048 cm long and weighing 35 grammes and the other 18 29 cm long and weighing 105 grammes 10 Describe way of comparing the electromotive forces of two batteries 11 State the laws of the production and distribution of heat in galvanic circuit Show that the quantity of heat which given battery can produce per unit of time in wire is greatest when the resistance of the wire is equal to half the total resistance of the circuit 12 Explain how bar magnet may be made to produce an electric current in neighbouring wire coil of wire is caused to rotate about an axis in its own plane which is vertical explain any electrical effect which may be induced in the wire by the earth's magnetic action FIRST YEAR tiro£tattc $1uumatt'td ant rat What distinctions are there between solid and liquid Into what classes may fluids be divided Describe experiments