Question # 1

X=A+B is the mathematical notation for.

Choose an answer

OR gate

NOR gate

NAND gate

AND gate

If the following particle have the same energy, which particle has the shortest wave length.

Choose an answer

alpha particle

Neutron

Beta particle

Proton

The symbol of p-n-p transistor is

Choose an answer

Due to polarization, electric field E.

Choose an answer

Increase

Decrease

First increases then decreases

Remain same

Eintein's Photoelectric equation is E_k= hf -∅ in this equation E₁, refers to:

Choose an answer

K.E of al the emited electrons

Mean K.E of emited electrons

Maximum K.E of emited electrons

Minimum K.E of emited electrons

Choke consumes extremely small

Choose an answer

Current

Charge

Power

Potential

Resistivity at a given temperature depends upon.

Choose an answer

Area of cross section

Length

Nature of material of conductor

Both length and area

The circuit in which current and voltage are in phase, the power factor is:

Choose an answer

Zero

1

-1

2

Platinum wire becomes white at a temperature of.

Choose an answer

1600^oC

1300^oC

1100^oC

900^oC

Brightness of screen of CRO controlled by

Choose an answer

Grid

Filament

Anode

Cathode

Lenz's law presented in

Choose an answer

1834

1934

1826

1836

An electron miroscope emplys which to one of the following particles?

Choose an answer

Electron ahve a wave nature

Electrons can be focused by an electric field

Electrons can be focused by a magnetic field

All of the above

In pure capacitor A.C. circuit, the current I and charge q are.

Choose an answer

In phase

Out of phase

Parallel to each other

None of above

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

Choose an answer

Henry

Faraday

Coloumb

Oersted

Conductors have conductivities of order:

Choose an answer

10³(Ωm)-1

10⁷(Ωm)^-1

10⁷Ωm^-1

10^-6Ω

Pair production cannto take place in vacuum because :

Choose an answer

Mass in not conserved

Momentum is not conserved

Energy is not conserved

Charge is not conserved

Pulsating output of full wave rectifier can be made smooth by using circuit called.

Choose an answer

Filter

Amplifier

Resistor

Transistor

In Pakistan the frequency of A.C. supply is.

Choose an answer

50 Hz

60 Hz

45 Hz

70 Hz

More Classes

Other Links

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer