Question # 1

The electric flux through closed surface depends upon

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Charge

Medium

Geometry

Charge and Medium

In CRO, the output waveform of time base generator is

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Circular

Square

Sinusoidal

Saw-toothed

Electromagnetic induction obeys law of conservation

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Charge

Energy

Momentum

Mass

Seven resistances are connected as shown in the figures . THe equivalent resistance between A and B is:

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3Ω

4Ω

4.5Ω

5Ω

Electric field intensity at a point is defined by the relation.

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E= q/F

E = F/q

E = qF

E = F/q2

Energy stored per uint volume inside a solenoid is called as

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energy density

Electric flux

Work

Volume charge density

A photo diode can turn its current ON and OFF in

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Micro seconds

Mega seconds

Nano seconds

Mili seconds

A° is the unit of:

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Energy

Length

Nuclear energy

Work

A Current flowing towards the reader is denoted by.

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Cross

a bracket

A dot

Positive sign

Output resistance of an op amp is

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High

Low

Zero

Equal to input resistance

The potential difference across depletion region in case of Si is

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0.6 volt

0.9 volt

0.7 volt

0.2 volt

NAND gate represented by:

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X = A. B

X = A+B

X= A.B

X=|A+B|

Magnetic flux density is measured in

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Weber

Weber/m2

Tesla -m

Gauss

At high frequency the value of reactance of capacitor will be.

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Small

Zero

Large

Infinite

The conductors having the conductivity of the order of

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The algebraic sum of potential change in a closed circuit is zero.

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Kirchhoff's 1st rule

Kirchhoff 2^nd rule

Krichoff's 3^rd rule

Kirchhoff 4^th rule

One use of a single p-n junction semiconductor in an electrical circuit is a

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Rectifier

Transistor

Battery

Diode

A capacitor stores energy in the form of.

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Magnetic field

Heat energy

Electrical energy

Mechanical energy

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