Physics FSC Part 2 Online MCQ's Test With Answers

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Physics FSC Part 2 Online MCQ's Test

Sr. # Questions Answers Choice
1 A moving charge is surrounded by: 2 Fields 3 Fields 4 Fields None of these
2 Thermosouple is an arrangement of two different metals: Two convert heat energy into electrical energy To produce more heat To convert heat energy into chemical energy To convert electrical energy into heat energy
3 The powers of two electric bulbs are 100w and 200w. Which are connected to power supply of 220 V. The ratio of resistance of their filament will be: 1<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">:2</span> 2<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">:1</span> 1<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">:3</span> 4<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">:3</span>
4 The resistivity of two wires isρ1 andρ2 which are connected in series. If there dimentions are same then the equivalent resistivity of the combination will be: (<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">ρ<sub>1</sub> +</span><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">ρ<sub>2</sub></span>) 1/<span style="font-family: arial, sans-serif; font-size: 16px; color: rgb(34, 34, 34);">ρ<sub>1</sub>+ 1/</span><span style="font-family: arial, sans-serif; font-size: 16px; color: rgb(34, 34, 34);">ρ<sub>2</sub></span> <span style="font-family: arial, sans-serif; font-size: 16px; color: rgb(34, 34, 34);">ρ<sub style="">1</sub>+</span><span style="font-family: arial, sans-serif; font-size: 16px; color: rgb(34, 34, 34);">ρ<sub style="">2</sub></span>/2 <span style="font-family: arial, sans-serif; font-size: 16px; color: rgb(34, 34, 34);">ρ<sub>1/</sub></span><span style="font-family: arial, sans-serif; font-size: 16px; color: rgb(34, 34, 34);">ρ<sub>2</sub></span>
5 A wire uniform cross-section. A length L and resistance R is cut into two equal parts. The resistivity of each part will be: Doubled Halved Remain the same One fourth
6 When a wire is stretched and its radius becomes r/2, then its resistance will be 16 R 4 R 2R 0
7 106 electrons are moving through a wire per second the current developed is: 1.6 x 10-19 A 1 A 1.6 x 10-13A 106 A
8 Calculate current in 2 2R /4Ω resistor. 1 A 2R /4Ω R/3Ω 2R /3Ω
9 Three resistors of resistance R each are combined in various ways, Which of the following cannot be obtained? 3 RΩ 2R /4Ω R/3Ω 2R /3Ω
10 Seven resistances are connected as shown in the figures . THe equivalent resistance between A and B is: 3Ω 4Ω 4.5Ω 5Ω
11 Two parrallel, metal plates are a distance 8.00 m apart. The electric field between the plates in uniform, Directed toward the right , and has a magnitude of 4.00 N/C. If an ion of charge +2e is released at rest at the left-hand plate. What is its kinetic energy when reaches the right-hand plate? 4 eV 64 eV 32 eV 16 eV
12 The electric field in some region of of space is uniform in magnitude and direction. Which one of the following five statements best desccribes the volume charge density (ρ) , in this region of space? <span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">ρ = 0</span> <span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">ρ decreases linearly in the direction of the electric field</span> <span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">ρ increases linearly in the direction of the electric field</span> <span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">ρ has a uniform value throughout the region</span> <br>
13 A one microfarad capacitor of a TV is subjected to 4000 V potencial difference.The energy stored in capacitor is: 8 j 16 j 4 x 10<sup>-3</sup>j 2 x 10<sup>-3</sup>j
14 A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, Then The charge in the plates reduces and potencial difference increase Potencial difference between the plates increase, stored energy decreases and charge remains the same Potencial difference between the plates decreases, stored energy decreases and charge remains unchanged None of them
15 A proton is about 1840 time than an electron. When it is accelerated by a potencial difference if 1 kV, its kinetic energy will be: 1884 ke V 1/1840 keV 1 keV 920 keV
16 Electric potencial of earth is taken to be zero because the earth is good: Semiconductor Conductor Insulator Dielectric
17 Some charge is being given to a conductor. Then its potencial Its maximum at surface Its maximum at Its maximum at center Is remain same throughout the conductor Is maximum somewhere between surface and centre
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