Related Questions

কমন গ্রামিটার বর্তনীতে একটি n-p-n ট্রানজিস্টরের সংগ্রাহকে 8 V ব্যাটারী সংযুক্ত আছে। সংগ্রাহক Rt রোধের দুই প্রান্তে বিভব পতন 0.5 V হলে বেস কারেন্ট নির্ণয় কর। [দেওয়া আছে Rt = 800 Ω এবং বর্তনীর α =0.96)(An n-p-n transistor is connected in common emitter configuration in which the collector supply is 8 V. Determine the base current, if the voltage drops across the resistance Re of the collector circuit is 0.5 V. [Rt = 800Ω and α = 0.96])
A 0.625 mA
B 0.000625 mA
C 0.974 mA
D 0.026 mA
E 0.000026 mA
When no signal is applied, the approximate collector efficiency of class A power amplifier is
A 10%
B 0%
C 25%
D 50%
Class C power amplifier has the highest collector efficiency
A C
B A
C B
D AB
For proper operation of the transistor, its collector should have ___________
A Proper forward bias
B Proper reverse bias
C Very small size
D None of the above
The ratio of boys to girls in class A is 3 to 4 . The ratio of boys to girls in class B is 4 to 5 . If the two classes were combined, the ratio of boys to girls in class B is two less than the number of girls in class A. How many girls are in class A?
A 87
B 11
C 12
D 15
Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
A 81
B 81.5
C 82
D 84.5
For normal operation of the transistor, the collector diode has to be
A Forward-biased
B Reverse-biased
C Nonconducting
D Operating in the breakdown region
E None of the above
The maximum efficiency of transformer coupled class A power amplifier is ___________
A 30%
B 50%
C 80%
D 45%
Class ___________ operation gives the maximum distortion
A A
B B
C C
D AB
Half the graduating class of a college was accepted by a business school. One-third of the class was accepted by a law school. It one-fifth of the class was accepted by both types of school, what fraction of the class was accepted only by a law school?
A 2/15
B 1/6
C 1/3
D 1/2

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