Hall effect is used to determine:i. Carrier concentration in semicondu – McqOptions

MCQOPTIONS

1.	Hall effect is used to determine:i. Carrier concentration in semiconductorsii. Conductivityiii. MobilityWhich of these is/are correct?
A.	Only i
B.	Only ii
C.	ii and iii
D.	I, ii and iii
Answer» E.

Discussion

No Comment Found

Related MCQs

Bellows transducers are used to measure:
In mobile phones, when a user puts the phone to his/her ears, the screen goes off. Which is the sensor used for this?
A transducer that converts measurand into the form of pulse is called the ___________ transducers.
A resistance wire strain gauge with a gauge factor of 2 is bonded to a steel structural member subjected to a stress of 100 MN/m2 The modulus of elasticity of steel is 200 GN/m2. The percentage change in the value of the gauges resistance due to the applied stress will be
Capacitive transducers are normally used for:
Industrial RTDs for precise measurements are usually made from _____.
List of different transducers are given. Identify passive transducer
A capacitance transducer can be used for the measurement of
Match List I with List II and select the correct answer using the code given below the lists : List IList IIA. Hot wire1. Gas flowB. LVDT2. DisplacementC. Piezoelectric3. CurrentD. Hall effect 4. Acceleration
An LVDT is used to measure displacement. The LVDT feeds a voltmeter of 0-5 V range through a 250 gain amplifier. For a displacement of 0.5 mm, the output of LVDT is 2 mV. The sensitivity of the instrument is