ECAT Pre General Science Physics Chapter 18 MCQ Test With Answer for Physics chapter 18 (Electronics)

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MCQ's Test For ECAT Pre General Science Physics Chapter 18 Electronics Online Test

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ECAT Pre General Science Physics Chapter 18 Electronics Online Test

00:00
Question # 1

An LED emits light when it is:

Question # 2

In full wave rectification, simultaneous action is that:

Question # 3

In the text book, the transistor amplifier circuit is a:

Question # 4

To display a digit of EIGHT, the number of ON LED'S are:

Question # 5

In reverse-biased p-n junction, the reverse current is due to flow of:

Question # 6

Depletion region contains:

Question # 7

If both the inputs given to a gate ae 1 such that the output is 0, then it is:

Question # 8

To make an LED, it is impreacticable to use:

Question # 9

The value of LDR depends upon intensity of:

Question # 10

The intensity at a point due to a charge is inversely proportional to

Question # 11

To turn the transistor OFF, the base current is set:

Question # 12

Electric lines of force

Question # 13

The values 1 and 0 are designated as:

Question # 14

In the forward biases situation, the current flowing across the p-n junction is a few:

Question # 15

Electric intensity at a place due to a charged conductor is a

Question # 16

The value of relative permittivity of different dielectrics are

Question # 17

Most of the electrons in the base of an NPN transistor flow

Question # 18

The number of LED'S needed to display all the digits is:

Question # 19

Inverter is the name given to:

Question # 20

Majority charge carriers in the p-region of p-n junction are:

Question # 21

Electric field strength is defined as

Question # 22

A potential barrier of 0.7 V exists across p-n junction made from:

Question # 23

A transistor has:

Question # 24

By placing a dielectric in between the charges, the electrostatic force between them

Question # 25

In describing function of digital systems, 1 represents:

Question # 26

In AND gate, the output is 1 if:

Question # 27

The use of chips in electrons is described in the form of:

Question # 28

Electric field lines emerge from the charges in

Question # 29

The SI unit of charge is

Question # 30

If the distance between two charges is doubled, the force between them will become

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ECAT Pre General Science Physics Chapter 18 Test

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