You have a voltage source of 10 V and require a voltage of 8 V for the (very large resistance) load you would add to the circuit. Design a voltage divider to create this output–draw the circuit and label all elements with their values. You do not need to include the load resistance. Demonstrate that your choices lead to the desired outcome (using math).

Show and COMPLETE solutions. Draw all CIRCUIT DIAGRAMS or the equivalent circuit (dummy circuit) as the case may be. A battery is to consist of 20 identical cells. The emf of each cell is 1.5 V and the internal resistance is 0.20 ohm. This battery will be used to supply power to a 10-ohm lamp. Determine thecurrent on the lamp if: The 20 cells are arranged 5 cells in series in 4 parallel rows.

c) Using minimum number of components, design a voltage divider which can deliver 1 W at 100V, 2W at -50V and 1.6W at -80V. The voltage source has an internal resistance of 200 Q and supplies a current of 100mA. What is the open - circuit voltage of the voltage source? All resistance in ohm.

A wire of length 50 cm and mass 10 gr. is suspended in a horizontal plane by a pair of flexible leads as seen in the figure below. The wire is then subjected to a constant magnetic field of magnitude 0,5 T, which is directed as shown. What are the magnitude and direction of the current in the wire needed to remove the tension in the supporting leads? Fm 50 cm mg (a) (b)

Sy A circuit design calls a 1.5 kN resistor to have 4.7 V across its terminals. What would be the expected current? The circuit is built, and the resistance is measured at 1500 2 and the voltage at 4.7 V. What is the current through the resistor? f is ie