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# SSC Scientific Assistant Electronics Questions 101 to 120 AMBIPi

Hi students, Welcome to Amans Maths Blogs (AMBIPi). Are you preparing for SSC Scientific Assistant and looking for SSC Scientific Assistant Electronics Questions 101 to 120 with Answer Keys? In this article, you will get previous year questions of SSC Scientific Assistant IMD (Indian Meteorological Department), which helps you in the preparation of government job of SSC IMD Scientific assistant.

## SSC Scientific Assistant IMD Previous Year Questions

SSC Scientific Assistant Electronics Question No: 101

What is the order of reverse current in a silicon diode ?

Option A : kA

Option B : A

Option C : mA

Option D : nA

Option D : nA

SSC Scientific Assistant Electronics Question No: 102

What is the form factor of full wave rectified sine wave ?

Option A : 0.636

Option B : 0.707

Option C : 1

Option D : 1.11

Option D : 1.11

SSC Scientific Assistant Electronics Question No: 103

What is the current (in mA) in the circle given below assuming the  second approximation of the silicon PN junction diode ?

Option A : 1.3

Option B : 2.3

Option C : 3.3

Option D : 4.3

Option D : 4.3

SSC Scientific Assistant Electronics Question No: 104

Choose the correct statement for the breakdown voltage of Zener diode ?

Option A : It damages the diode

Option B : It decreases with decrease in current

Option C : It is approximately constant

Option D : It is double of the format knee voltage

Option C : It is approximately constant

SSC Scientific Assistant Electronics Question Paper No: 105

What is the value of collector current of a bipolar junction transistor having a current gain (β) of 200 and base current of  50 ùA ?

Option A : 100 ùA

Option B : 1 mA

Option C : 10 mA

Option D : 100 mA

Option C : 10 mA

SSC Scientific Assistant Electronics Question No: 106

The gate voltage of E-MOSFET is reduced to zero . Than the drain current is ______

Option A : at saturation

Option B : equal to IDSS.

Option C : zero

Option D : narrowing the channel

Option C : zero

SSC Scientific Assistant Electronics Question No: 107

The flow of electron is p-channel JFET is from ______ to ______.

Option A : drain, gate

Option B : drain, source

Option C : gate, drain

Option D : source , gate

Option B : drain , source

SSC Scientific Assistant Electronics Paper No: 108

The transistor bias  circuit arrangement providing a stable system using a negative feedback from the collector to the base is ______.

Option A : collector to base bias

Option B : emitter bias

Option C : fixed bias

Option D : fixed bias with emitter resistor

Option A : collector to base bias

IMD Scientific Assistant Question Paper No: 109

What is the value of the coupling capacitor in RC coupling ?

Option A : 100 nF

Option B : 1 μF

Option C : 10 μF

Option D : 100 μF

Option C : 10 μF

Previous Year Question SSC Scientific Assistant: 110

The oscillations produced by oscillators are ______.

Option A : under damped

Option B : critically damped

Option C : over damped

Option D : modulated

Option B : critically damped

SSC Scientific Assistant Electronics Question No: 111

What is the output of Schmitt trigger when fed with a sinusoidal voltage wave ?

Option A : Asymmetrical square wave

Option B : Rectangular wave

Option C : Saw tooth wave

Option D : Trapezoidal wane

Option A : Asymmetrical wave

SSC Scientific Assistant Electronics No: 112

What number of stable stages does an astable multivibrator has ?

Option A : 0

Option B : 1

Option C : 2

Option D : 3

Option A : 0

SSC Scientific Assistant Electronics Question No: 113

What is the minimum number of transistors used in a Cass B power amplifier to obtain the output for a full cycle of the signal ?

Option A : 0

Option B : 1

Option C : 2

Option D : 3

Option C : 2

SSC Scientific Assistant Electronics Question No: 114

What is the percentage voltage regulation of an unregulated power supply ?

Option A : 0 %

Option B : 0.5 %

Option C : 0.1 %

Option D : 0.15 %

Option A : 0.1 %

SSC Scientific Assistant Electronics Paper No: 115

Which among the following is a limitation of KCL ?

Option A : It is not applicable for more than one voltage source

Option B : It is not applicable for the circuits having more than two branches

Option C : It does not consider the dependent sources

Option D : It does not consider the leakage charge through nodes and conductor

Option D : It does not consider the leakage charge through nodes and conductor

SSC Scientific Assistant Electronics Question No: 116

A 5A current source has a source resistance of 40 ohms. What will be the value of an equivalent voltage source ?

Option A : 2 V

Option B : 8 V

Option C : 80 V

Option D : 200 V

Option D : 200 V

SSC Scientific Assistant Electronics Question No: 117

What is the current (in mA) in resistor R2 in the circuit given below ?

Option A : 73.4

Option B : 83.4

Option C : 93.4

Option D : 103.4

Option B : 83.4

SSC Scientific Assistant Electronics Paper No: 118

What is the power transmitted to the load of 20 ohms by a voltage source of 20 V having an internal resistance of 60  ohms ?

Option A : 0.50 W

Option B : 0.75 W

Option C : 1.00 W

Option D : 1.25 W

Option D : 1.25 W

SSC Scientific Assistant Electronics Paper No: 119

If the load resistance and the equivalent circuit resistance is equal, then ______.

Option A : maximum power is transmitted to the load

Option B : the internal resistance of source is increased

Option C : the internal resistance of source is decreased

Option D : minimum current flows through the circuit

Option A : maximum power is transmitted to the load

SSC IMD Scientific Assistant SSC Scientific Assistant Electronics: 120

Voltage induces the current in circuit, only if the circuit is ______..

Option A : closed

Option B : highly conductive

Option C : highly resistive

Option D : insulated