Electricity & Magnetism MCQs with Answers

Past Paper MCQ

Diesel Generator (DG) must be of grade?

• A.15 or above
• B.19 or above
• C.25 or above
• D.30 or above

Electrolytic cell best represents ?

• A.Heating effect of current
• B.Magnetic effect of current
• C.Chemical effect of current
• D.Mechanical effect of current

The circuits in most business places and homes are connected in ?

• A.Series
• B.Parallel
• C.Combination of series and parallel
• D.None of these

To construct a step-down transformer, which of the following is true?

• A.NP is independent of NS
• B.NP < NS
• C.NP = NS
• D.NP > NS

Of the three chief kinds of magnetic materials (diamagnetic, paramagnetic, and ferromagnetic), which are used to make permanent magnets?

• A.Only diamagnetic
• B.Only paramagnetic
• C.Only ferromagnetic
• D.Both paramagnetic and ferromagnetic

For which body the following variation of E with r is observed?

• A.Point charge
• B.Solid sphere
• C.Spherical shell
• D.Infinite line charge

Which type of materials do not allow any flow of electric current through them?

• A.Conductors
• B.Semiconductors
• C.Insulators
• D.Superconductors

What is the force that acts between two charged particles?

• A.Gravitational force
• B.Nuclear force
• C.Electromagnetic force
• D.Centripetal force

The current which flows in one direction is called _?

• A.Alternating current
• B.Direct current
• C.Oscillating current
• D.Induced current

Past Paper MCQ

Television, radio, and phone spread signals through _?

• A.Sound Waves
• B.Electromagnetic Waves
• C.Water Waves
• D.Seismic Waves