Question # 1

The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be:

Choose an answer

Neutral

Forward biased

Reversed biased

None of above

When a PN-Junction is reverse biased the depletion region is.

Choose an answer

Widened

Narrowed

Normal

None of these

A transistor has parts:

Choose an answer

2

3

4

5

The impurity in the germinium is usually in the ratio of

Choose an answer

1:10⁶

1:10⁴

1:10⁸

1:10¹⁰

The gain of transistor amplifier depends upon

Choose an answer

Resistance connected with collector

Resistance connected with base voltage

Input voltage

Output voltage

Doping is made comparatively larger in

Choose an answer

Emitter

Base

Collector

P -type semi conductor

Improper bisting of a transistor circiut produces:

Choose an answer

Heavy loading of emitter current

Distortion in the output output signal

Excessive heat at collector terminal

Faculty location of load line

Transistor was discovered by

Choose an answer

Young

Curie

John Bardeen

Shale's

X=A+B is the mathematical notation for.

Choose an answer

OR gate

NOR gate

NAND gate

AND gate

Greater concentration of impurity is added in.

Choose an answer

Base

Emitter

Collector

LED

Rectification is the process of converting.

Choose an answer

D.C. into A.C.

A.C. in to D.C.

Low signal to high

High signal to low

A two inputs NAND gat with inputs a and b has an output '0' if.

Choose an answer

B is zero

A is zero

Both A and B are 1

Both A and B are '0'

Logic gate can control some physical parameters like.

Choose an answer

Temperature, Pressure

Resistance, Inductance

Capacitance, Impedance

Current, voltage

LDR becomes necessary when op amp is used as a

Choose an answer

Night switch

Inverter

Comparator

Rectifier

Transistors are made from

Choose an answer

Plastics

Metals

Insulator

Doped semi conductors

The use of LDR is in the circuit of.

Choose an answer

Logic gate

Rectifier

Oscillator

High Switch

The sensor of light is.

Choose an answer

Transistor

LED

Diode

Light dependent resistance

Light emitting diodes are made from semiconductors.

Choose an answer

Silicon

Germanium

Carbon

Gallium arsenide

More Classes

Other Links

Physics FSC Part 2 Chapter 18 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