Related Questions

A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ___________
A RC
B RC || RE
C RC - RE
D RC + RE
The purpose of resistance in the emitter circuit of a transistor amplifier is to ___________
A Limit the maximum emitter current
B Provide base-emitter bias
C Limit the change in emitter current
D None of the above
Introducing a resistor in the emitter of a common amplifier stabilizes the dc operating point against variations in
A Only the temperature
B only the β of the transistor
C Both Temperature & β
D None of the above
কমন এমিটার অ্যামপ্লিফায়ারে ইনপুট ও আউটপুট সিগনালের মধ্যকার দশা পার্থক্য কত? (The phase difference between input and output signal of a common emitter amplifier is-)
A 0°
B 90°
C 180°
D 270°
In a simple on-off controller with differential gap, the magnitude of differential gap determines
A The level of accuracy
B The life of controller
C Both (a) and (b)
D Neither (a) nor (b)
Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water coloumn in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm).
A H
B 12.6 H
C 13.6 H
D 14.6 H
In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of ___________
A RC + RL
B RC || RL
C RL
D RC
If RC and RL represent the collector resistance and load resistance respectively in a single stage transistor amplifier, then a.c. load is
A RL + RC
B RC || RL
C RL - RC
D RC
When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________.
A High
B Low
C Extremely low
D None of the above
When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________
A Remains the same
B Is decreased
C Is increased
D None of the above

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