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Multiple Choice Question (MCQ) of Materials page-6:51. The permeability and permittivity of a medium are
A) independent of each other B) related by the atomic number C) related by the Boltzmann’s constant D) related by the velocity of electromagnetic waves.
Multiple Choice Question (MCQ) of Materials page-5:41. Bakelite is
A) highly inflammable B) low resistance conductor C) a semi-conductor D) uncombustible.
Multiple Choice Question (MCQ) of Materials page-4:31. Which of the following pairs is commonly used in thermocouples?
A) Copper-constant B) Aluminium-tin C) Iron-steel D) Silver-German silver.
Multiple Choice Question (MCQ) of Materials page-3:21. Nickel is used in
A) pressure sensitive elements B) electrodes of thermionic valves C) bulb filaments D) automatic voltage regulators.