Aptitude Test Problems in Physics Science for Everyone by S Krotov ( PDFDrive.com )

Solutions 277 The total energy of the system after recharging is q; 2 W2 = 2Cq a +2C 2 2 (CI+ C 2 ) The amount of heat liberated ...

(^278) Aptitude Test Problems in Physics through the current source. Obviously, el = C. From the energy conservation law, we obt ...

Solutions 279 Let us now write the equation of motion for the jumper (over a small distance Ax): B ma.F.^ 2d2v R• Considering th ...

r=-- g qmg)1^2 ' . 1 / 12 (T/27‘)2 (281( T) B1( 280 Aptitude Test Problems in Physics face area bounded by the loop is zero at a ...

Solutions 281 The plus sign corresponds to the counterclockwise rotation of the ball, and the minus sign to the clockwise rotati ...

282 Aptitude Test Problems in Physics The trajectory of the electron is shown in Fig. 223 (top view), where 0 1 is the centre of ...

Hence we obtain mg sin a a = Cb 2 B 2 cosy a ' Solutions (^283) 3.53. During the motion of the jumper, the mag- netic flux acros ...

284 Aptitude Test Problems in Physics The velocity of the jumper at the foot will be 21mg sin a vf = at= m+ Cb 2 B 2 cost a • 3. ...

Solutions 285 librium position determined by the condition a 4 a,z L zo = — mg, 2 0 = a4a2 • The frequency of these oscillations ...

286 Aptitude Test Problems in Physics inductance is determined only by geometrical con- figuration and the number of turns of th ...

Fig. 224 The induced emf is now 152 = anti. Thus, for the internal resistance of the motor, we obtain r — (W —al's) cc mg For th ...

288 Aptitude Test Problems in Physics °ex U 0 0 Uc 00 DP Ui 2 A -U 0 -2 U 0 Fig. 225 150/R (i.e. the contributions from C and L ...

Solutions 289 Therefore, the amplitude of the voltage across the capacitor plates is W 0 (aL U 0 — R • 3.60. During steady-state ...

290 Aptitude Test Problems in Physics The amplitude of charge oscillations after the breakdown can be determined from the condit ...

Optics 4.1. Rays which are singly reflected from the mirror surface of the cone propagate as if they were emitted by an aggreg ...

292 Aptitude Test Problems in Physics The distance b from the lens to point B can be calculated by using the formula for a thin ...

Solutions 293 of this element is ensured by the difference in the corresponding pressures: fp (r Ar) — p (0] AS = p Ar AS co^2 r ...

(^294) Aptitude Test Problems in Physics to the geometrical path difference 8 due to the deflection of the rays from the initial ...

Solutions 295 In the diverging lens approximation, we obtain R ^.1 rbeam+L(Pmax ^-; rbeam+2kirbeamL rbeam [I+ ctpa/L iA1)— )^2 1 ...

296 Aptitude Test Problems in Physics light beam will converge at the exit. When a par- allel beam of rays is incident on the te ...