Question # 1

Thermistor with high - ve temperature coefficient are very accurate for measuring low temperature especially near is.

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10 kelvin

70 kelvin

200 kelvin

35 kelvin

1 tesla =

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1 MAm^-1

1NA^-1m

1NA^-1m^-1

None of above

At high frequency, the current through a capacitor is

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Small

Infinity

Zero

Large

Write the SI unit of magnetic flux.

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Tesla

Weber

Weber m-2

Tesla m2

In nuclear radiation , track of alpha particle is.

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Thin

Discontinuous

Erratic

Continuous

Which of the modulus of elasticity is involved in compressing a rod to decrease its length ?

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Young's modulus

Bulk modulus

Modulus of elasticity

None of these

Choke consumes extremely small

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Current

Charge

Power

Potential

If the length and number of turns of a solenoid are doubled strength of magnetic field with.

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Be doubled

Become half

Not change

Be four time

The self induction emf is some times called.

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Motional emf

Constant emf

Back emf

Variable emf

The number of Isotopes of cesium are.

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4

32

22

36

The net charge on a capacitor magnitude of charge of charge

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Infinity

2 q

Q/2

Zero

Insulators have:

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An empty conduction band

Al full valence band

A large energy gap

All of above

Total flux through a closed surface depends on.

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Shape of surface

Medium only

Charge enclosed only

Charge and Medium

We can never accurately describes all aspects of sbatomic particles simulatanously. It is correct according to:

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Uncertainity Priciple

De-broglie Theory

Einstin Theory

Photo electric effect

The anodes in cathode ray oscilloscope.

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Control number of waves

Control brightness of sept formed

Accelerate as well as focus beam

Negative potential w.r.t to chithode

The sum of positive and negative peak value called.

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R.M.S. value

P-P value

Peak value

Average value

Lenz's law deals with

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Magnitude of emf

Direction emf

Direction of induced current

Resistance

The fact that electric field exist in space around an electrical charge is

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Electrical property

Gravitational property

Intrinsic property of nature

Extrinsic property of nature

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