Find the magnitude of the current density J3 in wire 3. The diameter of wire 3 is 1.5 mm . Express her answer in amperes per square millimeter to two significant figures.

You are watching: Find the current through the 30.0 ω resistor. In the circuit presented in (Figure 1) , E = 31.0 V ,R1 = 4.00 Ω, R2 = 6.00 Ω and R3 = 3.00 Ω . Part A

What is the potential difference Vab between points a and b when the switch S is open?

Part B

What is the potential difference Vab between points a and b when the switch Sis closed?

Express her answer v the appropriate units.

Part C

For the 4.00 Ω resistor, calculation the present through the resistor with S open.

Part D

For the 4.00 Ω resistor, calculation the existing through the resistor with S closed.

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The graph in the figure shows the present through a 5.0 Ω resistor as a role of time. Part A -How lot charge in C flowed with the resistor during the 10 s expression shown?Express her answer utilizing two far-ranging figures.Q = _________CPart B -What to be the complete energy dissipated by the resistor throughout this time?Express your answer making use of two far-ranging figures.E = __________J bluecod895

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