Question # 1

The circuit which compares the two voltages is.

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LDR

Sensor

Comparator

Logic gate

First spectral series of hydrogen atom was discovered by

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Lyman

Rydberg

Balmer

Paschen

A diode characteristic curve is a plot between

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Current and time

Voltage and time

Voltage and current

Forward voltage and reverse voltage

Write the SI unit of magnetic flux.

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Tesla

Weber

Weber m-2

Tesla m2

Energy stored in an inductor is:

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1/2L²I

1/2L²/I

_1/2LI²

1/2LI

The substance which atom cooperates with each other in such a way so as to exhibit a strong magnetic field is called.

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Ferromagnetic

Paramagnetic

Diamagnetic

Non magnetic

The mass spectrum of naturally occurring neon shows the most abundant isotope has atomic mass.

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19

20

21

22

X-rays were discovered by

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Curie

Henry Becquerel

Rontgen

None of these

Which material should be inserted between the plates of a capacitor in order to increase its capacitance.

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Copper

Mica

Iron

Tin

Self induction does not depend on

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Number of turns of the coil

Area of cross section of the core

Nature of material of the core

Current through inductor

Joule second is the unit of.

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Energy

Wein's constant

Planck's constant

Boyle's law

If the north pole of a magnet moves away from a metallic ring

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Clockwise

Anticlockwise

First clockwise and then anticlockwise

None of above

Logic gate can control some physical parameters like.

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Temperature, Pressure

Resistance, Inductance

Capacitance, Impedance

Current, voltage

The potential difference across the depletion region of germanium is.

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0.3 V

0.5 V

0.7 V

0.8 V

The absolute electric potential at a point distance 20 cm from a charge of 2 uC is.

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9 x 10² V

9 x 10³ V

9 x 10⁴ V

9 x 10 ⁵ V

Yield stress is another name of

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Plasticity

Proportional limit

Elastic limit

Both (b) and (c)

The unit of strain is:

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Nm

Nm^-2

no unit

Nm²

Cosmic rays consist of

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Protons

High energy photons

Positron

All of above

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Physics ICS Part 2 Online MCQ's Test MCQs With Answers

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