Physics ICS Part 2 Online MCQ's Test With Answers

image
image
image

Physics ICS Part 2 Online MCQ's Test

Sr. # Questions Answers Choice
1 The use of LDR is in the circuit of. Logic gate Rectifier Oscillator High Switch
2 LDR becomes necessary when op amp is used as a Night switch Inverter Comparator Rectifier
3 The resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of. Ohms Kilo Ohms Mega Ohms Thounds Ohms
4 The input resistance of an op amplifier is. Low High Zero Equal to output resistance
5 Output resistance of an op amp is High Low Zero Equal to input resistance
6 The device which is used as amplifier and works with the negative feedback is. Operational amplifier P-n-p transistor n-p-n transistor Transistor
7 The open loop gain of the amplifier is order of. 10<sup>6</sup> 10<sup>5</sup> 10<sup>7</sup> 10<sup>3</sup>
8 Greater concentration of impurity is added in. Base Emitter Collector LED
9 The gain of transistor amplifier depends upon Resistance connected with collector Resistance connected with base voltage Input voltage Output voltage
10 A device which converts low voltage or current to high voltage or current is called. Transformer AC generator Amplifier Rectifier
11 The sensor of light is. Transistor LED Diode Light dependent resistance
12 Doping is made comparatively larger in Emitter Base Collector P -type semi conductor
13 Which component of the transistor has greater contrition of impurity. Base Emitter Collector Emitter and collector
14 The central region of a transistor is called. Emitter Collector Base Neutral
15 Transistors are made from Plastics Metals Insulator Doped semi conductors
16 Transistor was discovered by Young Curie John Bardeen Shale's
17 The ratio Beta in transistor is called. Voltage gain Emitter gain Current gain Nuclear gain
Download This Set

Is this page helpful?

×