Semiconductor Devices Test

Result

Semiconductor Devices Test - 14

Score
-
out of -
Rank
-
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

A

B

C

D
Question 2
4 / -1

The circuit has two oppositely connected ideal diodes in parallel. What is the current flowing in the circuit ?

A
1.71 A

B
2.00 A

C
2.31 A

D
1.33 A

Solution
Question 3
4 / -1

In the following, which one of the diodes is reverse biased ?

A

B

C

D
Question 4
4 / -1

Doping of intrinsic semiconductor is done

A
to neutralise charge carriers

B
to increase the concentration of majority charge carriers

C
to make it neutral before disposal

D
to carry out further purification
Question 5
4 / -1

On increasing the reverse bias to a large value in a p-n junction, diode current

A
increases slowly

B
remains fixed

C
suddenly increases

D
decreases slowly
Question 6
4 / -1

With in depletion region of p-n junction diode

A
p-side is positive and n-side is negative

B
p-side is negative and n-side is positive

C
Both sides are positive or both negative

D
Both side are neutral
Question 7
4 / -1

In a forward biased p-n junction diode, the potential barrier in the depletion region is of the form

A

B

C

D
Question 8
4 / -1

Application of a forward bias to a p-n junction

A
increases the number or donors on the n -side

B
increases the electric field in the depletion zone

C
increases the potential difference across (the depletion zone)

D
widens the depletion zone
Question 9
4 / -1

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480 nm, is incident on it, The band gap in (eV) for the semiconductor is

A
1.1 eV

B
2.5 eV

C
0.5 eV

D
0.7 eV
Question 10
4 / -1

Frequency of given AC signal is 50 Hz. When it is connected to a half-wave rectifier, the number of output pulses given by rectifier within 1 s is

A
50

B
100

C
25

D
150