Question # 1

The magnetic flux will be max, For an angle of:

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0°

60°

90°

180°

The SI unit of flux density is.

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NA-1 m2

NA-1 m-1

NAm-1

NA-1 m

The magnetic field inside solenoid is given:

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μ_∘nI²

μ_∘nI

μ_∘n/1²

μ_∘I/n

The torque in the coil can be increased by increasing:

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No. of turns

Current and magnetic field

Area of coil

All of the above

In current carrying long solenoid the magnetic field produced does note depend upon

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The radius of solenoid

Number of turns per unit length

Current flowing through solenoid

All of above

A charged particle having charge 'q' is moving at right angle to magnetic field. The quantity which varies is.

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Speed

Kinetic energy

Path of motion

angular velocity

Torque on a current carrying coil

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τ=IBA cos

τ = ILB sinα

τ = IBA sinα

τ = ILBcosα

In order to measure potential difference voltmeter is always connected in.

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Series

Parallel

Both a and b

Neither in series nor in parallel

One weber is equal to:

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N.A ²/m

N.m²/A

N.A/m

N.m/A

The magnetic field is uniform and stronger

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Outside the solenoid

Inside the solenoid

At the central part of the solenoid

None of these

The effective way to increase the sensitivity of moving coil galvanometer is.

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Increase the area of coil

Increase the number of turn

Increase the magnetic field

Increase the value of constant C

Magnetic lines of force are.

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Imaginary

Real

Perpendicular

In phase with electric lines of force

If a low resistance is connected parallel to a galvanometer then galvanometer is converted.

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Ammeter

Voltammeter

Ohmmeter

Multimeter

An AVO meter can also be called as.

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Digital multimeter

Digital voltmeter

Digital ammeter

Digital ohm meter

The dimensions of magnetic flux are

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M¹L^-2T¹A¹

MLT^-2A^-1

ML²T²A^-1

ML²T^-2A^-1

A soft iron cylinder is placed inside coil galvanometer to:

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Make field circular and strong

Make field radial and weak

Make field radial and strong

All of above

Current passing through the coil of galvanometer

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CO/BAN

CoN /BA

NAB/CO

AN/BCO

Magnetic flux density is measured in

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Weber

Weber/m2

Tesla -m

Gauss

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