91. Consider the following statements pertaining to the resistance of a conductor:
1. Resistance can be simply defined as the ratio of voltage across the conductor to the current through the conductor. This is, in fact, Georg Ohm's law
2. Resistance is a function of voltage and current
3. Resistance is a function of conductor geometry and its conductivity
Which of the above statements are correct?
1. Resistance can be simply defined as the ratio of voltage across the conductor to the current through the conductor. This is, in fact, Georg Ohm's law
2. Resistance is a function of voltage and current
3. Resistance is a function of conductor geometry and its conductivity
Which of the above statements are correct?
92. Which one of the following is commonly used piezoelectric ceramics?
93. The ratio of ionic radii of cations i.e. rC and that of Anions i.e. rA for stable and unstable ceramic crystal structure, is:
94. Which of the following are the advantages of Silicon over Insulator (SOI)?
1. Lower diffusion capacitance
2. Smaller parasitic delay and lower dynamic power consumption
3. Lower threshold voltages
Select the correct answer using the options given below.
1. Lower diffusion capacitance
2. Smaller parasitic delay and lower dynamic power consumption
3. Lower threshold voltages
Select the correct answer using the options given below.
95. Which of the following materials are used for high-technology applications?
1. Semi conductors
2. Bio materials
3. Smart materials
1. Semi conductors
2. Bio materials
3. Smart materials
96. In a superconducting magnet, wires of superconducting material are embedded in the thick copper matrix, because while the material is in the superconducting state:
97. The energy gap of a superconductor
98. The most suitable material for making an LDR (Light dependent resistor) is a semiconductor material having
99. In an intrinsic semiconductor, the mobility of electron in the conduction band is
100. The ceramic materials are
Read More Section(Materials and Components)
Each Section contains maximum 100 MCQs question on Materials and Components. To get more questions visit other sections.