Basic Electrical Engineering objective questions (mcq) and answers

1.  In gases the flow of current is due to

   A. Electrons only

   B. Positive ions only

   C. Electrons and positive ions

   D. Electrons, positive ions and negative ions

2.  The flow of current in solids is due to

   A. Electrons

   B. Electrons and ions

   C. Atoms

   D. Nucleus

3.  The minimum requirements for causing flow of current are

   A. A voltage source, a resistor and a switch

   B. A voltages source and a conductor

   C.. A power source and a bulb

   D. A voltage source, a conductor an ammeter and a switch

4.  An instrument which detects electric current is known as

   A. Voltmeter

   B. Rheostat

   C. Wattmetre

   D. Galvanometer

5.  Electric pressure is also called

   A. Resistance

   B. Power

   C. Voltage

   D. Energy

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