Physics FSC Part 2 Online MCQ's Test With Answers

image
image
image

Physics FSC Part 2 Online MCQ's Test

Sr. # Questions Answers Choice
1 In metal detector, we use. L-C circuit R-L circuit R-C circuit RLC series circuit
2 In three phase voltage across any two lines is about. 220 V 230 V 400 V 430 V
3 In three phase A.C supply coils are inclined at an angle of. 0<sup>o</sup> 90<sup>o</sup> 120<sup>o</sup> 80<sup>o</sup>
4 In three phase A.C. generator the phase difference between each pair of coil is. 45<sup>o</sup> 90<sup>o</sup> 120<sup>o</sup> 60<sup>o</sup>
5 In RLC circuit the energy is dissipated in R only R and L R and C L and C
6 A resistance frequency the impedance of RLC parallel circuit is. Zero Infinite Maximum Minimum
7 The circuit which compares the two voltages is. LDR Sensor Comparator Logic gate
8 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is. 90<sup>o</sup> 270<sup>o</sup> 0<sup>o</sup> 180<sup>o</sup>
9 The power factor of RL series circuit is. 0 1 Less then 1 More than one
10 At resonance frequency, the impedance of RLC series circuit is. Maximum Minimum Zero Infinite
11 X1is low for low frequency Fy but Xc is. Zero Low High Same is H
12 Which consumes small power. Inductor Resistor Motor All of these
13 The expression P = VI hold only when current and voltage are. In phase Out of phase At right angle to each other At angle of 120 <sup>o</sup>
14 Power dissipated in a pure inductor is. Large Small Infinite Zero
15 At resonance, the behavior of R-L-C series circuit is. Resistive Capacitive Inductive Modulative
16 The phase angle of a series RLC circult at resonant frequency is 1/2 sigma Zero sigma /4
17 The unit of impedance is. Henry Hertz Ampere Ohm
Download This Set