Basic Electronic Physics Test 01

Total Questions: 22

1 - The process by which electrons are emitted by a hot metal surface is known as:

A ) boiling
B ) evaporation
C ) conduction
D ) thermionic emission ✅

2 - The particles emitted from a hot cathode surface are:

A ) Positive ions
B ) negative ions
C ) protons
D ) electrons ✅

3 - AND gate can be formed by using two:

A ) NOT gates
B ) OR gates
C ) NOR gates
D ) NAND gates ✅

4 - The output of a two input NOR gates is1when:

A ) A is 1 and B is 0
B ) A is 0 and B is 1
C ) both a and b are 0 ✅
D ) both a and b are1

5 - If X =A.B, then X is 1 when:

A ) A and B are 1 ✅
B ) A or B is 0
C ) A is 0 and B is 1
D ) A is 1 and B is 0

6 - The output of a NAND gate is 0 when:

A ) both of its inputs are 0
B ) both of its inputs are 1 ✅
C ) any of its inputs is 0
D ) any of its inputs is 1

7 - Electronics is a branch of:

A ) Atomic physics
B ) Applied physics ✅
C ) Machanics
D ) Nuclear physics

8 - Electronics is the study of principal by mean of which we control the:

A ) flow of electrons ✅
B ) Nuclear fission
C ) fusion reaction
D ) radiations

9 - The quantities, whose values remain constant or very continuously are called:

A ) analogue quantities ✅
B ) digital quantities
C ) variable quantities
D ) invariably quantities

10 - Analogue quantities is:

A ) time
B ) Pressure
C ) distance
D ) all of these

11 - Public address system is the example of:

A ) analogue electronics ✅
B ) digital electronics
C ) binary system
D ) none of these

12 - The digitis used in electronics are:

A ) 1
B ) 0
C ) 0 and 1 ✅
D ) 1 and 2

13 - Digital technology is used in:

A ) bulb
B ) radar ✅
C ) Electric motor
D ) all of these

14 - The converter of analogue to digital single is:

A ) ADC ✅
B ) DAC
C ) DATC
D ) none of these

18 - The output of OR gate would be '0' when:

A ) Both of its input are zero ✅
B ) One of its two inputs is zero
C ) Both of its inputs are 1
D ) Anyone of its inputs is 1

20 - The output of NAND gate is zero:

A ) A=0 and B=0
B ) A=1 and B=1 ✅
C ) A=0 or B=0
D ) A=1 or B= 1

21 - A and B are the two inputs of a NOR gate. Its output would be 1 when:

A ) A= 1, B=1
B ) A=0, B =1
C ) A=1, B =0
D ) A =0, B=0 ✅

22 - The converter of digital to analog signal is:

A ) ADC
B ) DAC ✅
C ) DATC
D ) DTC