College Physics Circuits EPCC Show your work on a separate document. Block or highlight your answers. Limit your responses to within 3 sentences. Use your own sketches to help illustrate your response...

3 different assigments, each is one question


College Physics Circuits EPCC Show your work on a separate document. Block or highlight your answers. Limit your responses to within 3 sentences. Use your own sketches to help illustrate your response if needed. 1. Draw a simple circuit with a battery supplying DC current to a resistor. Label where the anode and cathodes are. 2. Calculate the current through the circuit with a 12.0 V battery for the following resistors: R = 12.0 Ω R = 6.0 Ω R = 3.0 Ω College Physics Resistivity EPCC Show your work on a separate document. Block or highlight your answers. Limit your responses to within 3 sentences. Use your own sketches to help illustrate your response if needed. 1. Refer to figure 1 and table 22.1. Calculate the resistivity and conductivity of a tissue sample, held at room temperature, that has a cross-sectional area of 2.50x10-4 m2. Based on these results, what type of tissue is this? Figure 1: Voltage vs. current plot of a tissue sample. 0.00E+00 7.69E-04 1.54E-03 2.31E-03 3.08E-03 3.85E-03 4.62E-03 0 2 4 6 8 10 12 14 Voltage vs. Current Sample tissue of 5.00 cm length Current (A) V ol ta ge (V ) College Physics Effective Resistance EPCC Show your work on a separate document. Block or highlight your answers. Limit your responses to within 3 sentences. Use your own sketches to help illustrate your response if needed. 1. Refer to figures 1 and 2. Calculate the effective resistances and the overall current passing through the circuit in both figures. 2. Based on figures below, which one yields the least resistance. Figure 1: Resistors in series. Figure 1 Figure 2: Resistors in parallel. Figure 2