Physics ICS Part 2 Online MCQ's Test With Answers

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Physics ICS Part 2 Online MCQ's Test

Sr. # Questions Answers Choice
1 Yield stress is another name of Plasticity Proportional limit Elastic limit Both (b) and (c)
2 An ordinary glass gradually softness into a paste like state before it becomes a very viscous liquid which is possible at 900<sup>o</sup>C 600<sup>o</sup>C 800<sup>o</sup>C 100<sup>o</sup>C
3 The solids are classified as Polymeric Amorphous Crystalline All of above
4 The electromagnetic spectrum contains Radio waves X-rays Microwaves All of these
5 In frequency modulation, the amplitude of carrier waves is Increases Remains constant Decreases None of these
6 Radio frequency choke is Iron cored Air Cored Air as well as iron cored None of these
7 At high frequency, the current through a capacitor is Small Infinity Zero Large
8 The effective value of any sinusoidal alternating current or voltage is None of the above
9 The reactance of inductor depends upon L All of the above
10 The natural frequency of L.C circuit is equal to
11 The unit of impedance is Farad Henry Tesla Ohm
12 In case of capacitor, the unit of reactance is Farad Ohm Newton All of these
13 The reactance is the ratio of V<sub>rms</sub>/I<sub>rms</sub> V<sub>rms</sub> x I<sub>rms</sub> I<sub>rms</sub>/V<sub>rms</sub> V<sub>max</sub> x V<sub>rms</sub>
14 The peak to peak value of alternating voltage is 2V<sub>o</sub> V<sub>o</sub> None of these
15 The value of capacitive reactance is given by Xc = VI xc= 1/wc or xc= wL xc= 1*wc or xc=Lw All of above
16 If Io is the peak value of current, then its root mean square value is given by 2 I<sub>o</sub> I<sub>o</sub> 0.7 I<sub>o</sub>
17 If Vrms be the root mean square value of emf then its peak to peak value is given by
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