1
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

The given circuit has two ideal diodes $$D_1$$ and $$D_2$$ connected as shown in the figure. The current flowing through the resistance $$R_1$$ will be

MHT CET 2022 11th August Evening Shift Physics - Semiconductor Devices and Logic Gates Question 86 English

A
7 A
B
3.3 A
C
2 A
D
2.5 A
2
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Choose the correct statement. In conductors

A
valance band and conduction band overlap each other.
B
valance band and conduction band are separated by large energy gap.
C
valancè band and conduction band are separated by a small energy gap.
D
a very small number of electrons are available for electrical conduction.
3
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

For a transistor, the current ratio $$\alpha_{\mathrm{dc}}=\frac{69}{70}$$, the current gain $$\beta_{\mathrm{dc}}$$ is

A
67
B
69
C
71
D
66
4
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The input a.c. voltage of frequency $$60 \mathrm{~Hz}$$ is applied to half-wave rectifier and also to full-wave rectifier. The output frequency in case of half-wave rectifier and that in case of full wave rectifier is respectively.

A
120 Hz, 60 Hz
B
60 Hz, 120 Hz
C
60 Hz, 60 Hz
D
120 Hz, 120 Hz
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