Question # 1

The SI Unit of magnetic induction is.

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Weber

Tesla

Gauss

Newton

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

Shunt resistance is

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Low resistance

Zero resistance

High resistance

Impedance

The dimensions of magnetic flux are

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M¹L^-2T¹A¹

MLT^-2A^-1

ML²T²A^-1

ML²T^-2A^-1

Energy stored per uint volume inside a solenoid is called as

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energy density

Electric flux

Work

Volume charge density

The SI unit of E is NC-1 and that of B is Na-1 m-1 then the unit of E/B is.

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ms-2

ms

ms^-1

m-1s-1

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

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Anode

Cathode

Grid

Deflecting plates

The sum of electric and magnetic force is called.

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Maxwell force

Lorentz force

Newton's force

Centripetal force

Lorentz force means the force acting on a particle, which is

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Magnetic force only

Electric force only

Sum of electric and magnetic force

None of these

Force on a charged particle is zero when projected at angle with magnetic field.

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0 ^o

90^o

180^o

270^o

Current passing through the coil of galvanometer

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CO/BAN

CoN /BA

NAB/CO

AN/BCO

A moving charge is surrounded by:

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2 Fields

3 Fields

4 Fields

None of these

The unit of magnetic induction is:

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Tesla

Weber

Weber metre

NAm^-1

The function of three anodes a C.R.O is

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To accelerate electrons only

To focus the electrons only

To control the brightness of spot on screen

To accelerate and focus the electrons

A photon while passing thorugh a magnetic field are deflected towards:

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North pole

South pole

Are ionized

None of these

Write the SI unit of magnetic flux.

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Tesla

Weber

Weber m-2

Tesla m2

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

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