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 An electron moves at 2 x 102 m/sec perpendicular to magnetic field of 2T what is the magnitude of magnetic force: 1 x 10<sup>-6</sup> N 6.4 x 10<sup>-17</sup> N 3.6 x 10<sup>-24</sup> N 4 x 10<sup>6</sup> N
2 One weber is equal to: N.A <sup>2</sup>/m N.m<sup>2</sup>/A N.A/m N.m/A
3 The Weber is unit of measure of: Conductance Electric current Magnitic flux Electric flux
4 The magnetic flux will be max, For an angle of: 0<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span> 60<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span> 90<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span> 180<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span>
5 The torque in the coil can be increased by increasing: No. of turns Current and magnetic field Area of coil All of the above
6 When charge particle enter perpendicular to magnetic field, the path followed by it is: A helix A circle Straight line Ellipes
7 Magnetism is related to: Stationary charges Moving charges Stationary &amp; Movingcharges Law of motion
8 A photon while passing thorugh a magnetic field are deflected towards: North pole South pole Are ionized None of these
9 A moving charge is surrounded by: 2 Fields 3 Fields 4 Fields None of these
10 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
11 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>
12 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>
13 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
14 When a wire is stretched and its radius becomes r/2, then its resistance will be 16 R 4 R 2R 0
15 106 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
16 Calculate current in 2 2R /4Ω resistor. 1 A 2R /4Ω R/3Ω 2R /3Ω
17 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
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