Electrical principle questions

Explain the principle of operation of a single phase transformer

state the meaning of each  the following: i. ohmic conductors, ii. electric power, iii. electrical energy

Explain the three losses that occur in a transformer and state how they are minimized

Define the term reluctance as used in magnetism

Differentiate between the following with the following with reference with electrical material i. semiconductor; ii. insulator

State three ways in which the capacitance of a capacitor can be varied

Explain the the principle operation of a single phase transformer

state three other instruments which also measure various quantities. indicate the quantities measured by each.

Name five quantities that a cathode ray oscilloscope that is capable of measuring

State the meaning each of the following i. ohmic conductors, ii. electric power, iii. electrical energy