Materials and Components Which of the following are true for relative dielectric constant?1. It is dimensionless.2. It is equal to 1 for vacuum.3. It is equal to 1 for all substances. 1 and 3 only 1, 2 and 3 2 and 3 only 1 and 2 only 1 and 3 only 1, 2 and 3 2 and 3 only 1 and 2 only ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In a metal, the valence electrons Either B or C Are not shared Are shared by all atoms Are shared only between neighbouring atoms Either B or C Are not shared Are shared by all atoms Are shared only between neighbouring atoms ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The number of protons in a copper atom are 29 2 11 9 29 2 11 9 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which inductor is used at high frequencies? Cast iron cored Sheet steel cored Ceramic cored Iron alloy cored Cast iron cored Sheet steel cored Ceramic cored Iron alloy cored ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In solid insulator materials having only one kind of atom, the types of polarization which exist are Electronic, ionic and permanent Electronic and ionic Electronic only Electronic, ionic and permanent Electronic and ionic Electronic only ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In van der walls crystals, there exists a high degree of stability of the outer electron shell. True False True False ANSWER DOWNLOAD EXAMIANS APP