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ESE EC 2018 Achiever Study Plan: Week 3 Champion Quiz
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Question 1
An air-filled parallel plate capacitor made of square plates, each 10 cm × 10 cm, has a capacitance C. If the plates are reduced to 2.5 cm × 2.5 cm, what would be the new capacitance?
Question 2
Consider the following :
1) Si
2) Ge
3) GaAs
4) InP
Which of the above semiconductors should be used for making highly efficient photodiodes?
1) Si
2) Ge
3) GaAs
4) InP
Which of the above semiconductors should be used for making highly efficient photodiodes?
Question 3
Which of the following is not a conducting material?
Question 4
An intense magnetic field is to be produced by a superconducting coil. Which one of the following is essential?
Question 5
The atomic packing factor for face centered cubic (FCC) crystal structure is
Question 6
Consider the following statements regarding an antenna:
1. It is a transducer.
2. Its performance is essentially frequency sensitive.
3. It is a reciprocal device.
4. With increase in its effective aperture area, width of the radiated beam increases.
Which of the above statements are correct?
1. It is a transducer.
2. Its performance is essentially frequency sensitive.
3. It is a reciprocal device.
4. With increase in its effective aperture area, width of the radiated beam increases.
Which of the above statements are correct?
Question 7
Poynting vector is a measure of which one of the following?
Question 8
Multiple member of antennas are arranged in arrays in order to enhance what property?
Question 9
For taking antenna far field pattern, what must be the distance R, between transmitting and receiving antennas?
Question 10
For distortion less transmission through LTI system phase of H(ω) is
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Jan 21ESE & GATE EC
