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MCQ's Test For ECAT Physics Chapter 16 Alternating Current
Try The MCQ's Test For ECAT Physics Chapter 16 Alternating Current
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 16 Alternating Current
00:00
Question # 1
If the value of C in a series RLC circuit is increased, the resonant frequency
Question # 2
Alternating current can be transmitted:
Question # 3
The open loop gain of OP-AMP is of the order of
Question # 4
The most common source of alternating voltage is:
Question # 5
Average value of A.C voltage during one cycle is
Question # 6
Which of the following diode is used to derive the current in external circuit when light is incident in the circuit
Question # 7
The wave form of alternating voltage is the graph between:
Question # 8
In a normally biased n-p-n transistor, an electron c current IEflows from the
Question # 9
The output voltage of half wave rectification is in the form of
Question # 10
The input resistance of the OP-AMP is the resistance between the
Question # 11
The R1= infinity and R2= 0, then the gain of non-inverting amplifier is
Question # 12
OP-AMP has the following input terminals
Question # 13
The RMS value of alternating current is:
Question # 14
The value of the input resistance of OP-AMP is of the order of
Question # 15
In which of the following components, pn-junction is used
Top Scorers Of ECAT Physics Chapter 16 Alternating Current MCQ`s Test
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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 -
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 -
M Muhammad Muzammil 11 - Mar - 2024 02 Min 14 Sec 30/60
ECAT Physics Chapter 16 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | During the negative half-cycle of the half-wave rectification, the diode |
A. does not conduct
B. conducts
C. either of these
D. none of these
|
| 2 | The input resistance of the OP-AMP is the resistance between the |
A. (-) input and output
B. (+) input and output
C. (-) and (+) inputs
D. between any inputs
|
| 3 | The value of the potential difference across the depletion region for the case of germanium is |
A. 0.3 V
B. 0.5 V
C. 0.7 V
D. 0.9 V
|
| 4 | Electromagnetic waves transmit energy equal to |
A. 1/2 mv2
B. moc2
C. hf/c
D. hf
|
| 5 | The wave form of alternating voltage is the graph between: |
A. Voltage across X-axis and time across y-axis
B. Current and time
C. Voltage along y-axis and time along x-axis
D. Voltage and current
|
| 6 | The R1= infinity and R2= 0, then the gain of non-inverting amplifier is |
A. zero
B. infinity
C. one
D. any one of these
|
| 7 | Transmitting antenna emits |
A. Magnetic waves
B. Electric waves
C. Electromagnetic waves
D. Sound waves
|
| 8 | Chock consumes externally small |
A. Charge
B. Current
C. Power
D. Potential
|
| 9 | At higher frequency of the alternating current, the capacitive reactance Xc |
A. Increases
B. Decreases
C. Remains the same
D. Increases only when the voltage increases
|
| 10 | 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
|
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