📣 From 2020 AIIMS exam has been merged with NEET.
AIIMS MBBS 2018 Higher Questions and Answers with Solutions Part 2
Get unlimited access to the best preparation resource for AIIMS : get questions, notes, tests, video lectures and more- for all subjects of AIIMS.
Q: 10. In the diagram find out the current through :
Title: Q-10-Image of find out the Current Through
Description: Q-10-Image of find out the Current Through
Ans.
Solution:
Title: Q-10 - 1-Image of find out the Current Through
Description: Q-10 - 1-Image of find out the Current Through
Let so
So,
.
Q: 11. An transistor is connected in common emitter configuration in which collector supply is and the voltage drop across the load resistance of connected in the collector circuit is . If current amplification factor is , If the internal resistance of the transistor is , then which of the following options is incorrect.
Title: Q-11-The Diagram of Collector Circuit
Description: Q-11- The Diagram of Collector Circuit
Solution:
The circuit arrangement is shown in figure. Collector current,
Now
Current gain
Or
Q: 12. In a hydrogen spectrum third line of Ballmer՚s series having wavelength . Find the binding energy of the ground state.
Solution:
Q: 13. A wire of some length is bent in the form of a ring of diameter 2a having self-inductance L, then L will depend upon a as:
Solution:
Now,
So,
Q: 14. What will be the position of centre of mass of a half disc as shown:
Title: Q-11-The Image of Mass of Half Disc
Description: Q-11-The Image of Mass of Half Disc
(1)
(2)
(3)
(4)
Ans. (2)
Solution:
Fact that C. O. M. of hart disk is at distance of from canter
Q: 15. In a LCR series resonating circle circuit. Give the value of average power loss:
Solution:
Average power loss
Q: 16. Find the minimum wavelength of X-rays tube emitted by X-ray tube, which is operating at . Accelerating voltage.
Solution:
Q: 17. A galvanometer gives full scale deflection of volt when acting like a voltmeter when connected in series with resistance. The same galvanometer gives . Full scale deflection when acting like an ammeter when connected with shunt resistance of value in parallel. Find out the resistance of galvanometer.
Solution:
Title: Q-17-Find out the Resistance of Galvanometer
Description: Q-17-Find out the Resistance of Galvanometer
Title: Q-17-Find out the Resistance of Galvanometer
Description: Q-17-Find out the Resistance of Galvanometer
Q: 18. A uniformly charged non conducting disc with surface charge density having radius . Then find the value of electric field intensity at a point on the perpendicular bisector at a distance of .
Title: Q-18-Image of the Non-Conducting Disc
Description: Q-18- Image of the Non-Conducting Disc
Solution:
Q: 19. Two small balls, each having equal positive charge are suspended by two insulating strings of equal length L from a hook fixed to a stand. If mass of each & total angle between the two strings is , then find the charge on each ball.
Title: Q-19-Image of find the Charge on each Ball
Description: Q-19 - 1-Image of find the Charge on each Ball
Solution:
Title: Q-19-Image of find the Charge on each Ball
Description: Q-19 - 1-Image of find the Charge on each Ball