PHYSICS_1_1 ONLINE TEST

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MEASUREMENT_01

Q.1 ____ shows ability to travel charge along thin films in conductor and

1 point

Sheet resistance

conductor resistance

Module resistance

Specimen resistance

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Q.2 Which parameter(s) can be determined from sheet resistance?

1 point

Resistivity

Conductivity

Both a and B

NONE

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Q.3 Four Probe method use for measuring _________

1 point

Capacitance

Inductance

Resistance

Impedance

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Q.4 Which measuring instrument are use in Four Probe method?

1 point

Ammeter and Voltmeter

Ammeter only

Voltmeter only

None of above

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Q.5 In Four Probe method, for bulk material hemisphere area considered as____

1 point

2πr^2

2πX^2

2πr

2πX

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Q.6 In Four Probe method, for thin material circumference area considered as____?

1 point

2πb

2πd

2πl

2πt

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Q.7 Identify application which is not suitable with Four Probe method.

1 point

Remote sensing area

Fuel cell bipolar plate

Resistance thermometers

Inductance controlling

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Q.8 Vander Pauw measurement use for _____measurement.

1 point

Resistivity

Inductance

Capacitance

Conductance

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Q.9 Identify property which cannot be justified by Vander Pauw measurement

1 point

Doping type

Material width

Carrier density of majority charge carrier

mobility of charge carrier

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Q.10 Identify condition which is not applicable during Vander Pauw measurement.

1 point

Homogeneous sample

less thickness

less capacitance

Uniform thickness

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Q.11 Hall effect invented by

1 point

Markel hall

Edwin hall

Sam hall

Austin hall

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Q.12 In hall effect electron placed in magnetic field, it experience ____force proportional to strength of field.

1 point

Lenz

Faradays

Lorentz

Gauss

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Q.13 Choose correct Lorentz force equation in hall effect

1 point

F = qeB

F = qsB

F = qlB

f = qvB

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Q.14 Which method use for determine sample is P type or N type?

1 point

Cold point probe measurement

Hot point probe measurement

Wide point probe measurement

Area point probe measurement

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Q.15 In Hot point probe measurement if carriers are positive, current flow in_____ direction.

1 point

Same

Opposite

Same and opposite both

None of the above

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