Question # 1

LDR becomes necessary when op amp is used as a

Choose an answer

Night switch

Inverter

Comparator

Rectifier

Cathode ray oscilloscope works by deflecting a beams

Choose an answer

Neutrons

Protons

Electrons

Positron

One joule is equal to.

Choose an answer

1.6 x 10¹⁹ eV

1.6 x 10^-19 eV

6.25 x 10^-18 eV

6.25 x 10 ¹⁸ eV

How many times, the alpha particle is more massive than electrons.

Choose an answer

6332

7332

8332

9332

The resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of.

Choose an answer

Ohms

Kilo Ohms

Mega Ohms

Thounds Ohms

The movement of conductor in magnetic field produces electrical current was discovered in:

Choose an answer

1931

1731

1842

1831

High frequency radio wave is called as

Choose an answer

Fluctuate

Carrier wave

Matter wave

Mechanical wave

The most common source of an A.C. Voltage is.

Choose an answer

Motor

Cell

Generator

Thermo couple

Radio frequency choke is

Choose an answer

Iron cored

Air Cored

Air as well as iron cored

None of these

Mutual induction play role in.

Choose an answer

Generator

D.C. motor

Galvanometer

Transformer

When a motor is over loaded then the magnitude of back emf.

Choose an answer

Increases

Decreases

Remain constant

Zero

The value of Rydberg constant is

Choose an answer

1.0974 x 10⁷ m^-1

1.0974 x 10^-7 m^-1

1.0974 x 10⁶ m^-1

1.0974 x 10^-6 m^-1

In a certain circuit, I_{B = 40 µA,}I_C= 20 mA

Choose an answer

450 amp

0.45 amp

5 m amp

500 amp

De-Broglie waves are associated with

Choose an answer

Moving charged particles only

Moving neutral particles only

All moving particles

All parties whether in motion or at rest

The permeability of free space is measured in

Choose an answer

wb A/m

Am/wb

wb/Am

m/wbA

In purely resistive A.C circuit, instantaneous value of voltage and current:

Choose an answer

Current lags behind voltage

Current leads voltage by π/2

Both are in Phase

Voltage leads current by Pase θ=π/2

For normal use:

Choose an answer

Emitter base function is reversed biased

Collector base junction is reserved biased

Emitter base junction is forward biased

Both c and b

For Holography we use

Choose an answer

X ray

Laser

gama rays

Beta rays

More Classes

Other Links

Physics Fsc Part 2 Online 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