Related Questions

While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is
A Short-circuited
B Open circuited
C Alright
D Leaky
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
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
The input capacitor in an amplifier is the ___________ capacitor
A Coupling
B Bypass
C Leakage
D None of the above
At series resonance, voltage across L is ___________ voltage across C
A Equal to but opposite in phase to
B Equal to but in phase with
C Greater than but in phase with
D Less than but in phase with
Between the peak point and the valley point of UJT emitter characteristics we have ___________ region
A Saturation
B Negative resistance
C Cut-off
D None of the above
Most of the majority carriers from the emitter ___________
A recombine in the base
B recombine in the emitter
C pass through the base region to the collector
D none of the above
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
Emitter follower is a ___________ circuit
A Voltage feedback
B Current feedback
C Both voltage and current feedback
D None of the above
An emitter follower has ___________ input impedance
A Zero
B Low
C High
D None of the above

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