निम्नलिखित में से कौन ट्रांजिस्टर का एक महत्वपूर्ण भाग है?
Which of the following is an important part of a transistor?
Collection of verified questions for Chalakta under General Science. Includes previous year exam questions with official answer keys and step-by-step solutions.
Which of the following is an important part of a transistor?
Which of the following elements is a semiconductor?
Which of the following are semiconductors? 1. Silicon 2. Quartz 3. Ceramics 4. Germanium Select the correct answer from the options below:
The most commonly used material for fabricating transistors is:
Assertion (A): Copper rods are preferred over iron rods for making lightning conductors. Reason (R): Copper is a better conductor of electricity than iron and does not oxidize easily under atmospheric conditions. Code:
Which of the following is a 'semiconductor'?
The Government of India banned the export of 'Jhama' (burnt coal / coke) because an element used in transistors can be extracted from it. Which of the following is that element?
Lightning strikes can ignite fires in trees because it contains an immense amount of:
In the recent past, efforts made towards detection of the Higgs boson have been in the news. What is/are the importance(s) of discovering this particle? 1. It will help us understand why elementary particles possess mass. 2. It will help us develop technology in the near future to transfer matter across physical space without traversing intermediate distances (teleportation). 3. It will help us generate better fuels for nuclear fission. Select the correct answer using the code given below:
Which of the following elements is used as a semiconductor in transistors?
At absolute zero temperature, the electrical resistance of semiconductors becomes:
At what temperature can superconductivity become of immense economic value, saving billions of dollars?
Electrical conduction in a semiconductor occurs through:
The characteristic feature of a superconductor is:
The electrical conductivity of a semiconductor at absolute zero (0 Kelvin) temperature is:
The newly discovered high-temperature superconductors are:
On heating, the electrical resistance of a semiconductor:
The highest temperature achieved by a superconductor (at ambient pressure) is: