Refer to the figure 19.60 on page 654 of your textbook. Assume all currents are

Question

Refer to the figure 19.60 on page 654 of your textbook. Assume all currents are unknown so that the 4.0 A and 6.0 A numbers given are not appropriate. Also, use that the resistor is known as R =9.00 ohm and the Emf is known as E =21.0 V. Draw the circuit with the new numbers. Assign currents to each part of the circuit. Assin +/- polarities to each part of the circuit. Write two voltage equations and one current equation for the circuit. Solve for each of the currents.

The figure can be located in college physics 9th edition

Explanation / Answer

There's is a general rule, For any source (voltage or current) the (positive valued) current will flow out of the terminal marked + and flow into the terminal marked - . For any load (resistance, capacitance, inductance and stuffs) the (positive valued) current will flow into the terminal marked + and flow out of the terminal marked

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