Question # 1

An AVO meter can also be called as.

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Digital multimeter

Digital voltmeter

Digital ammeter

Digital ohm meter

The brightness of the spot of CRO screen is controlled by.

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Anode

Cathode

Grid

Deflecting plates

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

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

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Ammeter

Voltammeter

Ohmmeter

Multimeter

The Grid 'G' in cathode ray oscilloscope.

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Accelerate as well as focus electron beam

Control no. of electrons beam

Is at - Ve potential with respect to cathode.

Both d and b

A device used for detection of current is called.

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Inductor

Voltmeter

Capacitor

Galvanometer

The name of the scientist who noted that a compass needle was deflected when placed near the current carrying conductor

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Henry

Faraday

Coloumb

Oersted

Magnetic lines of force are.

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Imaginary

Real

Perpendicular

In phase with electric lines of force

The unit of Magnetic flux is called.

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weber

weber/m²

NM^-1A^-1

None of above

The SI unit of magnetic permeability is.

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WbA-1m-1

Wbm-2

WbmA-1

WbAm-1

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 value of e/m is smallest for

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Proton

Electron

Beta particle

Positron

The sensitivity of galvanometer is given by

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CAN/B

C/BAN

BAN/C

BN/CA

One weber is equal to:

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N.A ²/m

N.m²/A

N.A/m

N.m/A

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

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0°

60°

90°

180°

Magnetic induction can be measured in units of.

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Tesla

Gauss

Weber/m2

All of the above

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

Ampere's law is applicable to:

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Circular path

Rectangular path

To any closed path

Nonwe of these

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