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Year 2023
September
Week # 2
Expire on 07 Oct 2023
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FAQs
March
Week # 1 Quiz 2
Q1.
8085 microprocessor has the capacity to communicate with
16 KB of memory
32 KB of memory
64 KB of memory
1 MB of memory
Q2.
An Op amp has an open-loop gain of \(10^5\)and an open loop upper cut-off frequency of 10 Hz. If this Op amp is connected as an amplifier with a closed loop gain of 100, then the new upper cut-off frequency is
10 Hz
100 Hz
10 kHz
100 kHz
Q3.
The property by virtue of which a protective relay is able to distinguish between normal and abnormal conditions is called
Sensitivity
Discrimination
Stability
Reliability
Q4.
A series R-L-C circuit will have unity power factor, if operating at a frequency of
\(\frac{1}{LC}\)
\(\frac{1}{ω\sqrt{LC}}\)
\(\frac{1}{ω^2 LC}\)
\(\frac{1}{2\pi\sqrt{LC}}\)
Q5.
Nichrome is used for
Overhead line wires
Heater coils
Lamp filaments
None of these
Q6.
Power absorbed in a pure inductive circuit is zero because
Reactive component of the current is zero
Power factor of the circuit is zero
Active component of the current is zero
Both B & C
Q7.
The deflecting torque of a moving iron type ammeter is directly proportional to
Square root of current
Cube of the current
Current
Square of the current
Q8.
The change in collector emitter voltage from 6V to 9V causes increase in collector current from 6mA to 6.3mA. Determine the dynamic output resistance.
20kΩ
10kΩ
60kΩ
50kΩ
Q9.
The major application of chopper drive is in_______________.
Traction
Computer
Stepper motors
Miniature motors
Q10.
The friction losses in Real Transformers are :
0 \(\%\)
5 \(\%\)
25 \(\%\)
50 \(\%\)
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