Question # 1

The effective value of any sinusoidal alternating current or voltage is

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None of the above

Wave nature of particle was given by:

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Clemensen

Louis de Broglie

Laster H. Germer

Clinton S. Davisson

The electric field lines are closer where the field is

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Strong

Weak

Uniform

Variable

Young's modulus for water's is

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Zero

1

2

3

For normal use:

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Emitter base function is reversed biased

Collector base junction is reserved biased

Emitter base junction is forward biased

Both c and b

The first atomic reactor was introduced by

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Currie

Enrico Fermi

Newton

Bohr

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

A block body is an ideal:

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Absorber

Radiator

Both a & b

None of above

Various types of cancer are treated by

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Carbon -14

Nickel -63

Cobalt -60

Strontium -90

Step up transformer is used.

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Step up D.C. voltage

Step up A.C. voltage

Step up both A.C and D.C.

Step up A.C. current

Ampere's law is applicable to:

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Circular path

Rectangular path

To any closed path

Nonwe of these

How many neutrons are there in the nuclide Zn⁶⁶?

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22

30

36

66

Due to polarization, electric field E.

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Increase

Decrease

First increases then decreases

Remain same

Maximum Compton shift is observed at.

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30^oC

90^oC

45^oC

180^oC

The slope of q-t curve at any instant of time gives.

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Voltage

Current

Charge

Botha a and b

The basic circuit element in A.C. circuit which controls current.

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Resistor only

Capacitor only

Inductor only

All of these

If the potential difference across two plates of capacitor is doubled, then energy stored in it will be.

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Two times

Eight times

Four times

Remain same

Compton shift is maximum for scattering angle of photon

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0^o

90^o

180^o

45^o

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