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A conductor block with thickness of 2.5 mm carries a current of 150 mA as shown in Figure 3. An imposed magnetic field, B = 0.5 T generate a Hall voltage, VH = 8.75 mV in between front and rear side. A galvanometer is connected across front and rear side of the conductor to measure VH. Find the number of free charge carrier per unit volume, n with the aid of top view of Figure 3 (Please indicate the connection of galvanometer and direction of B field in diagram). Assume that charge of charge carrier is -1.6 x 10-19 C. Analyze the charge carrier in conductor for positive, negative and zero VH.

A conductor block with thickness of 2.5 mm carries a current of 150 mA as shown in Figure 3. An imposed magnetic field, B = 0.5 T generate a Hall voltage, VH = 8.75 mV in between front and rear side. A galvanometer is connected across front and rear side of the conductor to measure VH. Find the number of free charge carrier per unit volume, n with the aid of top view of Figure 3 (Please indicate the connection of galvanometer and direction of B field in diagram). Assume that charge of charge carrier is -1.6 x 10-19 C. Analyze the charge carrier in conductor for positive, negative and zero VH.

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Question 3 Soalan 3] (a) A conductor block with thickness of 2.5 mm carries a current of 150 mA as shown in Figure 3. An imposed magnetic field, B = 0.5 T generate a Hall voltage, VH = 8.75 mV in between front and rear side. A galvanometer is connected across front and rear side of the conductor to measure VH. Find the number of free charge carrier per unit volume, n with the aid of top view of Figure 3 (Please indicate the connection of galvanometer and direction of B field in diagram). Assume that charge of charge carrier is -1.6 x 10-19 C. Analyze the charge carrier in conductor for positive, negative and zero V₁. [Blok pengalir dengan ketebalan 2.5 mm membawa arus 150 mA seperti ditunjukkan dalam Rajah 3. Medan magnet yang dikenakan, B = 0.5 T menjana voltan Hall, VH= 8.75 mV di antara bahagian hadapan dan belakang bagi pengalir. Galvanometer disambungkan merentasi bahagian hadapan dan belakang pengalir untuk mengukur VH. Cari bilangan pembawa cas bebas per unit isipadu, n dengan bantuan pandangan atas bagi Rajah 3 (Sila nyatakan sambungan galvanometer dan arah medan B dalam rajah). Andaikan cas bagi pembawa cas ialah -1.6 x 10-19 C. Analisis pembawa cas dalam pemgalir untuk V positif, negatif dan sifar.] Current, I d B field t=2.5 mm Figure 3 [Rajah 3] Current, I
Transcribed Image Text:Question 3 Soalan 3] (a) A conductor block with thickness of 2.5 mm carries a current of 150 mA as shown in Figure 3. An imposed magnetic field, B = 0.5 T generate a Hall voltage, VH = 8.75 mV in between front and rear side. A galvanometer is connected across front and rear side of the conductor to measure VH. Find the number of free charge carrier per unit volume, n with the aid of top view of Figure 3 (Please indicate the connection of galvanometer and direction of B field in diagram). Assume that charge of charge carrier is -1.6 x 10-19 C. Analyze the charge carrier in conductor for positive, negative and zero V₁. [Blok pengalir dengan ketebalan 2.5 mm membawa arus 150 mA seperti ditunjukkan dalam Rajah 3. Medan magnet yang dikenakan, B = 0.5 T menjana voltan Hall, VH= 8.75 mV di antara bahagian hadapan dan belakang bagi pengalir. Galvanometer disambungkan merentasi bahagian hadapan dan belakang pengalir untuk mengukur VH. Cari bilangan pembawa cas bebas per unit isipadu, n dengan bantuan pandangan atas bagi Rajah 3 (Sila nyatakan sambungan galvanometer dan arah medan B dalam rajah). Andaikan cas bagi pembawa cas ialah -1.6 x 10-19 C. Analisis pembawa cas dalam pemgalir untuk V positif, negatif dan sifar.] Current, I d B field t=2.5 mm Figure 3 [Rajah 3] Current, I
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