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Sandra Saju
Subject: Physics
, asked on 18/2/18
Identify the gate equivalent to the circuit shown in the figure. Write its truth table.:
Answer
2
Sandra Saju
Subject: Physics
, asked on 18/2/18
Q. Identify the equivalent gate represented by the circuit shown in the figure. Draw its logic symbol and write the truth table.
Answer
1
Sandra Saju
Subject: Physics
, asked on 18/2/18
Q. Identify the logic gates marked 'P' and 'Q' in the given circuit. Write the truth table for the combination.
Answer
2
Sandra Saju
Subject: Physics
, asked on 18/2/18
Q. Write the truth table for the combination of the gates shown. Name the gates used.
Answer
1
Sandra Saju
Subject: Physics
, asked on 18/2/18
Q. The circuit shown in the figure, identify the equivalent gate of the circuit and make its truth table. ( also mention the name of gate ).
Answer
2
Sandra Saju
Subject: Physics
, asked on 18/2/18
Q. The circuit shown in the figure, identify the equivalent gate of the circuit and make its truth table. ( also mention the name of gate ).
Answer
1
Sandra Saju
Subject: Physics
, asked on 18/2/18
Drop typical output characteristics of an n-p-n transistor in CE configuration. Show how these characteristics can be used to determine output resistance.( No links please )
Answer
1
Sandra Saju
Subject: Physics
, asked on 18/2/18
Mention the important considerations required while fabricating a p-n junction diode to be used as a light emitting diode (LED). What should be the order of band gap of an LED if it is required to emit light in the visible region ?
Answer
1
Ayushi Aggarwal
Subject: Physics
, asked on 18/2/18
Ques 6
Answer
1
Sandra Saju
Subject: Physics
, asked on 18/2/18
Please help with this question as soon as possible. (No links please)
Q.1. Output characteristics of an n-p-n transistor in CE configuration is shown in the figure.
Determine:
(i) dynamic output resistance
(ii) dc current gain and
(iii) ac current gain at an operating point
V
C
E
=
10
V
, when
I
B
=
30
μ
A
.
Answer
1
Sandra Saju
Subject: Physics
, asked on 18/2/18
Q. In the circuit shown in the figure, identify the equivalent gate of the circuit and make its truth table.
Answer
2
Sandra Saju
Subject: Physics
, asked on 18/2/18
Q. The given graph shows the variation of photoelectric current versus (I) applied voltage (V) for two difference photosensitive materials and for two different intensities of the incident radiations. Identify the pairs of curves that correspond to different materials but same intensity of incident radiation.
Answer
1
Sandra Saju
Subject: Physics
, asked on 18/2/18
Write two characteristic features to distinguish between n type and p type semiconductors .( in tabular column)
Answer
1
Sandra Saju
Subject: Physics
, asked on 18/2/18
The current in the forward bias is known to be more (~mA) then the current in the reverse bias (~uA). What is the reason then operate the photodiode in reverse bias ?
Answer
1
Sandra Saju
Subject: Physics
, asked on 18/2/18
Q. Name the junction diode whose I-V characteristics are drawn below:
Answer
1
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Q.1. Output characteristics of an n-p-n transistor in CE configuration is shown in the figure.
Determine:
(i) dynamic output resistance
(ii) dc current gain and
(iii) ac current gain at an operating point , when .