gk electricity Interview Questions and Answers
Ques:- Tangent galvanometer is used to measure
A. Earth’s magnetic field
B. Steady currents
C. Currents impulses
D. None of these
Ques:- Fuse wire should have
A. High resistance, high melting point
B. High resistance, low melting point
C. Low resistance, low melting point
D. Low resistance, high melting point
Ques:- The resistance of material increases with temperature. It is a
A. Semiconductor
B. Insulator
C. Metal
D. None of these
Ques:- All the magnetic materials lose their magnetic properties when
A. Strongly heated
B. Dipped in oil
C. Dipped in water
D. Brought near a piece of iron
Ques:- A motor converts
A. Electrical energy into mechanical energy
B. Mechanical energy into electrical energy
C. Mechanical energy into sound energy
D. Electrical energy into sound energy
Ques:- The inherent property of all matter is/are
A. Para magnetism
B. Diamagnetism
C. Ferromagnetic
D. None of these
Ques:- The reciprocal of resistance is
A. Conductivity
B. Resistivity
C. Conductance
D. None of these
Ques:- A fuse wire is always connected to the
A. Neutral wire
B. Line wire
C. Earth wire
D. None of these
Ques:- The electrolyte in the dry cell is
A. Ammonium chloride
B. Acid of sulphur
C. Zinc
D. Manganese dioxide
Ques:- When magnet is heated, it
A. Loses its magnetism
B. Gains magnetism
C. Gains magnetism up to certain temperature
D. None of the above
Ques:- The electrolyte in a car battery is
A. Distilled water
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
Ques:- Electro motive force is most closely related to
A. Mechanical force
B. Potential difference
C. Magnetic field
D. Electric field