1. Determine the a) equivalent capacitance b) charge on C3, and c) potential difference on C3. C1 = 10µF C2=5 µF C3= 8 µ

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1 Determine The A Equivalent Capacitance B Charge On C3 And C Potential Difference On C3 C1 10uf C2 5 Uf C3 8 U 1 (44.14 KiB) Viewed 9 times

1 Determine The A Equivalent Capacitance B Charge On C3 And C Potential Difference On C3 C1 10uf C2 5 Uf C3 8 U 2 (59.31 KiB) Viewed 9 times

1 Determine The A Equivalent Capacitance B Charge On C3 And C Potential Difference On C3 C1 10uf C2 5 Uf C3 8 U 3 (28.56 KiB) Viewed 9 times

1. Determine the a) equivalent capacitance b) charge on C3, and c) potential difference on C3. C1 = 10µF C2=5 µF C3= 8 µF C4 = 4 µF V = 10V 2. An aluminum wire with a diameter of 0.100 mm has a uniform electric field of 0.200 V/m imposed along its entire length. The temperature of the wire is 50.0°C. Assume one free electron per atom. (a) Determine the resistivity. (b) What is the current density in the wire? (c) What is the total current in the wire? (d) What potential difference must exist between the ends of a 2.00-m length of the wire to produce the stated electric field? Resistivities and Temperature Coefficients of Resistivity for Various Materials (at 20°C) Material Silver Copper Gold Aluminum Tungsten Iron Platinum Lead Nichrome Carbon Germanium Silicon Glass Hard rubber Sulfur Quartz (fused) Resistivity (12) 150 x 10 1.7 x 10 2.44×10 2.82×10 5.6 x 30 100 x 10 11 x 10 22 × 30+ 150 x 10 3.5 x 10- 0,46 640 10-10 -100 105 75 x 10 Temperature Coefficient ofResistivity Iro 5.8 × 30-4 39 × 30¹9 34 x 30 39x304 5.9 x 304 3.92 × 304 39 × 30-4 94x30 -95x30
3. A 500-W heating coil designed to operate from 110 V is made of Nichrome wire 0.500 mm in diameter. (a) Assuming that the resistivity of the Nichrome remains constant at its 20.0 °C value, find the length of wire used. (b) Now consider the variation of resistivity with temperature. What power will the coil actually deliver when it is heated to 1200 °C? 4. Determine the equivalent resistance and the current through 30-ohm resistor. 10V 1 ks2 ao W ww R₁=200 ( I'm R₁=200 5. Determine the equivalent resistance of the network below. www R₂=300 1 KG 1 KS2 www ww 2 km2 2 km2 www R₁=500 1 kQ .
D E 6. Determine the current through the three resistors. 80 V 2092 4₁ 1₂ 40 52 www = 40 V 7. Using Kirchhoff's laws, determine the potential differences between the terminals of the three resistors. 30 Ω wwww 20 Ω www 10 £2 80 V 1₁ 20 V B 20 Ω 12