Physics FSC Part 2 Chapter 18 Online MCQ's Test With Answers

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Physics FSC Part 2 Chapter 18 Online MCQ's Test

Sr. # Questions Answers Choice
1 The device which are required to convert various physical quantities into electric voltage are called. Filters Rectifiers Amplifiers Sensors
2 X=A+B is the mathematical notation for. OR gate NOR gate NAND gate AND gate
3 A two inputs NAND gat with inputs a and b has an output '0' if. B is zero A is zero Both A and B are 1 Both A and B are '0'
4 The term invertor is used for. NOR gate XNOR gate NAND gate NOT gate
5 Logic gate can control some physical parameters like. Temperature, Pressure Resistance, Inductance Capacitance, Impedance Current, voltage
6 The output of two input is zero only when its. Both inputs are zero Either input is zero Both inputs are one Either input is one
7 Truth table of logic function. Summarize its output values only Tabulates all its input conditions only Display all its input and output possibility Is not base on logic algebra
8 Which is not fundamental logic gate. NOT AND OR NAND
9 For automatic Switching of streetlight, the op amplifier is used as. Inductor Converter Comparator Thermistor
10 Automatic function of street light can be done by the use of. Inductor Rectifier Comparator emf
11 The use of LDR is in the circuit of. Logic gate Rectifier Oscillator High Switch
12 LDR becomes necessary when op amp is used as a Night switch Inverter Comparator Rectifier
13 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
14 The input resistance of an op amplifier is. Low High Zero Equal to output resistance
15 Output resistance of an op amp is High Low Zero Equal to input resistance
16 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>
17 Greater concentration of impurity is added in. Base Emitter Collector LED
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