Question # 1

Which one is not present in A.C. generator.

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Armature

Magnet

Slip rings

Commutator

The phase difference between current and voltage in an inductive circuit is.

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zero

90 ^o

180 ^o

45^o

To convert a galvanometer into an ammeter, we connect with it a

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Shunt resistance

Low value parallel

Low value by pass resistor

All of above

Both Xenon and cesium have

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33 isotopes

34 Isotopes

36 Isotopes

35 Isotopes

The dimension of stress is

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[MLT^-1]

[ML^-1T]

[ML^-1T^-1]

[ML^-1T^-2]

Which is the most refined form of matter.

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Smoke

Fog

Light

Electron

Soft magnetic material is

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Sodium

Steel

Iron

Copper

Laser is a beam of light which is

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Monochromatic

Coherent

Unidirectional

All of these

Torque is produced in a current carrying coil when it is placed in a

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Magnetic field

Electric field

Gravitational field

Nuclear field

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

After curie temperature.

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Ferromagnetic

Paramagnetic

Magnetic

Diamagnetic

The amount of energy equivalent to 1 a.m.u is

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931.5 MeV

93.15 MeV

9.315 MeV

2.224 MeV

A capacitor stores energy in the form of.

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Magnetic field

Heat energy

Electrical energy

Mechanical energy

Boher proposed his atomic model in:

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1910

1911

1912

1913

The number of Neutron is²³⁸U₉₂is

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92

238

146

330

Magnetic effect of current is used in.

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Toaster

Electric iron

Electric motor

D.C. Battery

1 gray is equal to.

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1 JKg-1

1KgJ-1

1JKg

1 JKg-2

In Wilson cloud chamber, if tracks are thick, straight and continuous, then particle is

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a-particles

ß-particles

Y-rays

All

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