Physics · Chapter 10 of 11

Magnetism: BPSC & UPPCS Prelims PYQs

9 previous-year questions on Magnetism. Each one opens to its answer and explanation.

1. 1. 70th BPSC Prelims 2024

   Which of the following is equivalent to tesla?

   1. AAmpere per Newton
   2. BNewton per Coulomb
   3. CNewton per ampere-second
   4. DNewton per ampere meter
   Answer and explanation →

2. 2. 70th BPSC Prelims 2024

   What is the unit of measure of magnetic field?

   1. ACobalt
   2. BAmpere
   3. COhm
   4. DTesla
   Answer and explanation →

3. 3. 69th BPSC Prelims 2023

   An AC current can be produced by

   1. Achoke coil
   2. Bdynamo
   3. Ctransformer
   4. DNone of the above
   Answer and explanation →

4. 4. 67th BPSC Prelims 2022

   The paramagnetic theory of magnetism applies to

   1. Amercury
   2. Biron
   3. Cplatinum
   4. Dnickel
   5. ENone of the above/More than one of the above
   Answer and explanation →

5. 5. 66th BPSC Prelims 2020

   The velocity of electromagnetic waves is

   1. A3 × 10⁸ ms⁻¹
   2. B3 × 10⁷ ms⁻¹
   3. C3 × 10⁶ ms⁻¹
   4. D3 × 10⁵ ms⁻¹
   5. ENone of the above/More than one of the above
   Answer and explanation →

6. 6. UPPSC Prelims 2017

   A mobile phone charger is

   1. AAn inverter
   2. BA UPS
   3. CA step up transformer
   4. DA step down transformer
   Answer and explanation →

7. 7. UPPSC Prelims 2016

   'Dynamo' is a device, which converts

   1. Achemical energy into electrical energy
   2. Belectrical energy into mechanical energy
   3. Cmechanical energy into electrical energy
   4. Delectrical energy into chemical energy
   Answer and explanation →

8. 8. UPPSC Prelims 2013

   What type of electromagnetic radiation is used in the remote control of a television?

   1. AInfrared
   2. BUltraviolet
   3. CVisible
   4. DNone of the above
   Answer and explanation →

9. 9. UPPSC Prelims 2012

   What is MRI?

   1. AMagnetic Record of Intestines
   2. BMagnetic Recording of Investigations
   3. CMagnetic Resonance Imaging
   4. DMagnetic Resonance in Intestines
   Answer and explanation →