Question # 1

Kirchhoff's voltage rule is a way of stating conservation of.

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Mass

Charge

Energy

Momentum

The sensor of light is.

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Transistor

LED

Diode

Light dependent resistance

A current generator device converts:

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Mechanical energy into chemical energy

Chemical energy into electrical energy

Mechanical energy into electrical energy

Both b and c

The magnitude of motional emf is given by

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The unit of induced emf is

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Ampere

Volt

Joule/coulomb

Both (b) and (c)

Light of 4.5 eV is incident on a Cesium surface and stopping potential is 0.25 eV, maximum K.E. of emitted electron is.

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4.5 eV

4.25 eV

4.75 eV

0.25 eV

Kirchhoff's first rule is the manifestation of the law of conservation of.

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Mass

Charge

Energy

Momentum

Unit of decay constantλ is:

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ms

m^-1

m

S^-1

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

The emf induced by the motion of a conductor across a magnetic field is called:

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Motional emf

Rotational emf

Induced emf

All of above

The working principle of transformer is.

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Self induction

Faraday's law

Mutual induction

Electromagnetic induction

An alternating quantity (voltage or current) is completely known if we know its:

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Maximum

Frequency and phase

Effective value

Both (a) & (b)

The electric intensity at infinite distance from the point charge is

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Infinite

Zero

Positive

Negative

Charge on an electron was determined by

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Ampere

Millikan

Maxwell

Bohr

In frequency modulation, the amplitude of carrier waves is

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Increases

Remains constant

Decreases

None of these

The open loop gain of the amplifier is order of.

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10⁶

10⁵

10⁷

10³

The moderator used in a nuclear reactor

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Sodium

Uranium

Graphite

Cadmium

The motional emf depends upon the

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Length of conductor

Speed of conductor

Strength of magnet

All of these

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Physics FSC Part 2 Online MCQ's Test MCQs With Answers

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