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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
At resonance, the impedance of RLC series circuit is
Question # 2
An A.C. voltage is applied across the inductor. When the frequency of the voltage is increased, the current
Question # 3
Peak value of alternative current is:
Peak value of alternative current is:
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 closed loop gain of the inverting amplifier is written as
Question # 6
In n-p-n transistor, emitter base junction is kept
Question # 7
If we connect a A.C. volt meter to read A.C. voltage, It would read its:
Question # 8
An A.C. voltmeter read 250 volts. The frequency of alternating is 50 Hz, the peak value of voltage is
Question # 9
If the value of C in a series RLC circuit is increased, the resonant frequency
Question # 10
The input resistance of the OP-AMP is the resistance between the
Question # 11
The phase angle of a series RLC circuit at resonance is
Question # 12
When the pn-junction is in reversed biased, current flows through the junction due to the
Question # 13
The amplifier which us used to perform mathematical operations electronically is known as
Question # 14
A resonance curve for RLC series circuit is a plot of frequency versus
Question # 15
The open loop gain of OP-AMP is of the order of
Top Scorers Of ECAT Physics Chapter 16 Alternating Current MCQ`s Test
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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 -
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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 | 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
|
| 2 | Which one of the following is correct? |
A. Vo= 1.414 Vrms
B. Iams= 1.414 Io
C. VO = 10.70 Vrms
D. Both a and b
|
| 3 | An A.C varies as a function of |
A. Current
B. Voltage
C. Time
D. Charge
|
| 4 | Transmitting antenna emits |
A. Magnetic waves
B. Electric waves
C. Electromagnetic waves
D. Sound waves
|
| 5 | A diode characteristic curve is a plot between |
A. current and time
B. voltage and time
C. voltage and current
D. forward voltage and reversed voltage
|
| 6 | In a transistor, if the central region is n-type, then this type of transistor is known as |
A. n-p-n transistor
B. p-n-p transistor
C. either of these
D. none of these
|
| 7 | Mathematical manipulation of the two quantized states can be best carried if they are represented by |
A. high - low
B. yes - no
C. on - off
D. 0 - 1
|
| 8 | Chock consumes externally small |
A. Charge
B. Current
C. Power
D. Potential
|
| 9 | In RLC series circuit, resonance occurs when |
A. XL > Xc
B. XL < Xc
C. XL = Xc
D. None of these
|
| 10 | 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
|
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