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ECAT General Science Physics Ch. 16 Test
Online MCQ`s Test For Chapter 16 "ECAT Pre General Science Physics Chapter 16 Alternating Current Online Test"
Try The MCQ`s Test For Chapter 16 "ECAT Pre General Science Physics Chapter 16 Alternating Current Online Test"
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Total Questions30
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Time Allowed30
ECAT Pre General Science Physics Chapter 16 Alternating Current Online Test
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Question # 1
A resonance curve for RLC series circuit is a plot of frequency versus
Question # 2
Mathematical manipulation of the two quantized states can be best carried if they are represented by
Question # 3
A signal is amplified at the output without any change of phase, if it is applied at the
Question # 4
The length of rotating vector (on a certain scale) represents the:
Question # 5
When a transistor is used as a switch the circuit in which the current is to be switched OFF and ON, is connected between the
Question # 6
When the emitter-base junction of a transistor is reverse biased, collector current
Question # 7
Most OP-AMP operates with
Question # 8
Which one of the following waves belongs to electromagnetic spectrum
Question # 9
In frequency modulation (FM), the carrier waves amplitude
Question # 10
When the pn-junction is forward biased. the current flows through it is of the order of
Question # 11
In a normally biased n-p-n transistor, an electron c current IEflows from the
Question # 12
Alternating current can induce voltage because it has a
Question # 13
For the normal operation of the transistor, its
Question # 14
Alternating current is produced by a voltage source which polarity:
Question # 15
Which of the following diode is used for the detection of light
Question # 16
In n-p-n transistor, emitter base junction is kept
Question # 17
Unless stated otherwise, when we speak of A.C. meter reading, we usualy mean:
Question # 18
A digital system deals with quantities or variables which have
Question # 19
The open loop gain of OP-AMP is of the order of
Question # 20
SI unit of impedance is
Question # 21
To design a resonant circuit of frequency 100 KHz with an inductor of inductance 5 mH, we need a capacitor of capacitance
Question # 22
The sum of positive and negative peak values is called:
Question # 23
When the pn-junction is in reversed biased, current flows through the junction due to the
Question # 24
In a transistor, if the central region is n-type, then this type of transistor is known as
Question # 25
The magnitude of alternative voltage V:
Question # 26
The circuit which is used to smooth the output voltage of the full-wave rectification is known as
Question # 27
In a transistor, if the central region is p-type then this type of transistor is known as
Question # 28
The RMS value of alternating current is:
Question # 29
At resonance, the phase angle for RLC series resonance circuit equals
Question # 30
Which of the following diodes can operate in the reverse biased condition
ECAT Pre General Science Physics Chapter 16 Test
Here you can prepare ECAT Pre General Science Chapter 16 Alternating Current Test. Click the button for 100% free full practice test.
Top Scorers Of Chapter 16 "ECAT Pre General Science Physics Chapter 16 Alternating Current Online Test" MCQ`s Test
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F Faiza 15 - Jan - 2024 05 Min 58 Sec 50/120 -
W Waleed Ahmed 25 - Feb - 2023 11 Min 06 Sec 45/120 -
O omama 24 - May - 2018 05 Min 38 Sec 25/120 -
H Hiba Akhtar 06 - Mar - 2023 03 Min 52 Sec 5/120
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