Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
.jpg)
MCQ's Test For ECAT Physics Chapter 16 Alternating Current
Try The MCQ's Test For ECAT Physics Chapter 16 Alternating Current
-
Total Questions15
-
Time Allowed20
ECAT Physics Chapter 16 Alternating Current
00:00
Question # 1
Electromagnetic waves transmit energy equal to
Question # 2
The highest value reached by the voltage or current:
Question # 3
A P-N juction or semiconductor diode cannot be used as
Question # 4
Which of the following diode is used to derive the current in external circuit when light is incident in the circuit
Question # 5
The Instantaneous value of alternative current maybe:
Question # 6
The input resistance of the OP-AMP is the resistance between the
Question # 7
During the negative half-cycle of the half-wave rectification, the diode
Question # 8
Which one of the following is correct?
Question # 9
The bridge circuit of full wave rectification uses
Question # 10
The closed loop gain of the non-inverting amplifier is given by
Question # 11
The output voltage of half wave rectification is in the form of
Question # 12
When the pn-junction is connected reversed biased, its resistance is of the order of
Question # 13
The value of the input resistance of OP-AMP is of the order of
Question # 14
The phase at the positive peak of an A.C. cycle is:
Question # 15
During each cycle, alternating voltage reaches a peak value
Top Scorers Of ECAT Physics Chapter 16 Alternating Current MCQ`s Test
-
S Sana Hashim 20 - May - 2022 00 Min 05 Sec 60/60 -
A Anayat Ali 26 - Mar - 2024 00 Min 06 Sec 60/60 -
H Heer 02 - Jan - 2024 00 Min 42 Sec 60/60 -
Q Qura-tul-Ain Ansari 13 - Mar - 2023 06 Min 42 Sec 60/60 -
M Muneeb ur Rehman 29 - Jun - 2026 01 Min 47 Sec 56/60 -
A Abdullah Baloch 02 - Aug - 2024 02 Min 33 Sec 55/60 -
A Alishba Farooq 09 - Mar - 2024 16 Min 16 Sec 55/60 -
D dark goblin 19 - Jul - 2024 00 Min 39 Sec 50/60 -
S suzi 10 - Feb - 2026 01 Min 47 Sec 48/60 -
M Muhammad Rizwan 11 - Jul - 2022 02 Min 39 Sec 45/60 -
S Sarmad 18 - Jun - 2022 07 Min 03 Sec 45/60 -
H HAMZA Shah 20 - Sep - 2021 01 Min 11 Sec 40/60 -
M Muqadas Zahra 13 - Apr - 2022 14 Min 05 Sec 40/60 -
S Shaeel Fatima 24 - Feb - 2023 01 Min 10 Sec 35/60 -
T tehreemnadeem 11 - Jul - 2022 04 Min 13 Sec 35/60
ECAT Physics Chapter 16 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | A resonance curve for RLC series circuit is a plot of frequency versus |
A. Voltage
B. Current
C. Impedance
D. Reactance
|
| 2 | During the positive half-cycle in the half-wave rectification,the diode |
A. does not conduct
B. conducts
C. either of these
D. neither of these
|
| 3 | Unless stated otherwise, when we speak of A.C. meter reading, we usualy mean: |
A. Peak value
B. RMS value
C. Instantaneous value
D. Peak-to-peak value
|
| 4 | The output voltage of half wave rectification is in the form of |
A. a smooth curve
B. a smooth wave
C. pulses
D. all of the above
|
| 5 | In which of the following components, pn-junction is used |
A. light emitting diode
B. photo diode
C. photo voltaic cell
D. all of these
|
| 6 | The value of the input resistance of OP-AMP is of the order of |
A. few ohms
B. few hundred ohms
C. several kilo ohms
D. several maga ohms
|
| 7 | The open loop gain of OP-AMP is of the order of |
A. 102
B. 103
C. 104
D. 105
|
| 8 | The entire wave form of sinusoidal voltage is actually a set of all the: |
A. Positive maximum value + Voand negative maximum value -Vo
B. Posiotive maximum value +Vo and zero
C. Zero and negative maximum value -Vo
D. Any of these
|
| 9 | If 250V is the RMS value of alternative voltage, then its peak value Vowill be: |
A. 353.5V
B. 250V
C. 175V
D. zero
|
| 10 | The closed loop gain of the inverting amplifier is written as |
A. G = R2/R1
B. G = 1 + R2/R1
C. G = -R2/R1
D. G = 1 - R2/R1
|
Test Questions
Share your comments & questions here
Iiqra Fatima
25 May 2018You should let us practice difficult mcqs ..These are too easy for ECAT level....Thanku