SULIT (ЕКТ 242) 7- (СА, СОЗ, РО2) (c) The semicircular conductor with radius, r 2 m...
Soalan 3 Question 3 Ketiga-tiga bahagian berikut adalah berkaitan: The following three sections are related: Selesaikan ketumpatan fluks magnet B bagi suatu titik di paksi suatu gelung (a) bulat yang berjejari b, dan terletak di satah x-y. Gelung ini membawa arus dalam arah lawan jam. Andaikan bahawa titik tersebut adalah berjarak z unit di atas paksi gelung ini. Solve the magnetic flux density B at a point on the axis of a circular loop (wire) of radius b that carries...
Ketiga-tiga bahagian berikut adalah berkaitan: The following three sections are related: Selesaikan ketumpatan fluks magnet B bagi suatu titik di paksi suatu gelung bulat yang berjejari b, dan terletak di satah x-y. Gelung ini membawa arus dalam arah lawan jam. Andaikan bahawa titik tersebut adalah berjarak z unit di atas paksi gelung ini. (a) Solve the magnetic flux density B at a point on the axis of a circular loop (wire) of radius b that carries a direct current I...
(a) Pertimbangkan satu medan elektrik yang berasal dari satu peranti dan merambat melalui ruang bebas di dalam tiga dimensi. Vektor medan elektrik, E pada bila-bila masa diberikan oleh Consider an electric field originating from a device and travelling through free space in three dimensions. The electric field vector E at any instant of time is given by Ë (x,y.x) = (x + y2 +z)i + (ze*)] + (xyz - 9xz)k i. Tentukan putaran vektor medan elektrik, Ē berdekatan dengan titik...
A motor is given in Figure 1 with the terminal voltage of the motor is 320 V, armature resistance of 2 2, series field resistance of 3 2, and KC value of 0.248. Sebuah motor diberi dalam Rajah 1 dengun voltan pangkalan pada motor sebanyak 320 V, rintangan angker adalah 2 S rintangan madan sesiri adalah 3 Q, dan nilai KC sebanyak 0.248. Figure 1 Rajah I a) Calculate the speed of the motor in Figure 1 when the armature...
(4 Marks/Markah) b) A supersonic wind tunnel nozzle is to be designed for Mach number, Ma = 2.5 with a test section I m' in area as shown in Figure 2. The supply pressure and the temperature at the nozzle inlet, where the velocity is negeligible, are 8 x 10° Pa and 27Crespectively. The preliminary design is to be based on the assumptions that the flow is isentropic, with k =1.4, R = 287 Jkg.K, and that the flow is...
A new aluminium (AI) container develop pits corrosion right through its wall with an average current density of 1.3x104 A/cm2. If the average pits is 0.70mm in diameter, the aluminium wall is 0.90 mm thick and assume the pits has a cylindrical shape and the corrosion currents acts uniformly over the surface area of the pits. (Given atomic mass for Al is 26.98 g/mol and density is 2.7g/cm3). [Satu bekas baru aluminium (AI) terhasil kakisan lubang melalui dinding dengan satu...
A thin flat plate is placed in between two parallel plates (top and bottom) as shown in Figure Q1. The distance separating this thin flat plate with both parallel plates is h. Apart from having a stationary top plate, the thin flat plate is moving at the speed of U and the bottom plate is moving to the left at a velocity of 0.2U. The fluid in the upper flow region (above the thin flat plate) and in the lower...
Soalan 1 Question 1 (a) Pertimbangkan kapasitor silinder dua konduktor sepaksi dengan radius dalaman a dan radius luaran b (b>a). Ruang di antara konduktor dipenuhi dengan dielektrik yang seragam dengan ketelusan e,. Andaikan bahawa konduktor 1 dan 2 membawa cas +Q dan-Q, masing-masing yang diedarkan secara seragam ke atasnya. Consider a cylindrical capacitor of two coaxial conductors of inner radius a and outer radius b (b > a). The space between the conductors is filled with a homogeneous dielectric with...
EPT 228 SULIT EPT 228 -10- Question 6 Soalan 6) A heating system in a factory involves the transport of water with temperature of 110 °C ata rate of 0.1 m'/s through a pipe with the same elevation. The length of the pipe is 50 m with diameter of 0.15 m was made from stainless steel (friction factor,fe-0.00829). The fluid pressures at the water heater and receiving point are the same. The water is transported using electrical pump motor with...
Alternating current (AC) machines are generators that convert mechanical energy to AC electrical energy and motors that convert AC electrical energy to mechanical energy. The AC machine are categorized as synchronous machine and induction machine. (Mesin-mesin arus wlang-alik (AU) adalah penjana-penjana yang memukarkan tenaga mekanikal kepada tenaga elektrik AU dan motor-motor xang memukarkanm tenaga elektrik AU kepada tenaga mekanikal Mesin AU dikategorikan kepada mesin segerak dan mesin aruhan (ii) rotor frequency,f frekuensi pemtar,1 (1 Mark/ Markah) (iii) stator copper losses,...