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Mdcat-past-papers - ETEA Quiz

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161. The SI unit of electric potential is:



162. If amount of work W is required to move charge Q, then potential difference is:



163. Two point charges +5μC and –5μC are placed at points A and B separated by 2d. Electric potential at midpoint M is:



164. Electron Volt (eV) is another unit of:



165. The energy stored in a capacitor is given by:



166. The SI unit of capacitance is:



167. In the case of parallel plate capacitor, when the distance between the two plates is reduced to half and the area of the plate is doubled the capacitance:



168. If the dielectric material between the plates of a capacitor is removed, what happens to the electric field between the plates?



169. Capacitance of a capacitor increases with a decrease in:



170. Magnetic flux is maximum when the angle between the magnetic field and the normal to the plane of finite area is:



171. Which of the following statement is true about the magnetic field inside a solenoid?



172. A charged particle entered in a magnetic field anti-parallel to the field, magnetic force on this particle is:



173. When a neutron enters into a magnetic field B perpendicularly with velocity v, its acceleration is:



174. In a magnetic field, a photon passing through it is deflected towards:



175. An electron is moving perpendicular to the magnetic field. Which statement about electromagnetic force acting on the electron is correct?



176. For a positive charged particle (q) moving with a velocity (v) in a magnetic field of flux density B, the force (F) acting on the charged particle is given by the expression:



177. The ability to produce an electromotive force by changing the magnetic field inside a coil is used to generate:



178. One meter long copper rod is moving with speed 20m/s in the magnetic field of strength 0.6 tesla what is the value of induced emf?



179. The inductance of a coil depends on



180. What is the inappropriate statement for step-up transformer?