3. You have an unlimited supply of 20 Ohm and 50 Ohm resistors in your Physics...
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2. You need a 45-Ohm resistor, but the stockroom has only 20-ohm and 50-ohm resistors. How can the desired resistance be achieved under these circumstances? Show your calculations and your schematic diagram.
a) You have an array of 100 1.00 ohm resistors all in a parallel array with each other. The total resistance of this array is: Lower than 1.00 ohm 100 ohms Between 1 and 100 ohms Higher than 100 ohms b) You have an array of 100 1.00 ohm resistors in series with each other. The total resistance of this array is: Lower than 1.00 ohm 100 ohms Between 1 and 100 ohms Higher than 100 ohms c) You are...
4. (6 points) Suppose you have access to three types of resistors: 10 resistors, 2 resistors, and 3 resistors. In your circuit, you can use as many of the 10 resistors, as many of the 20 resistors, and as many of the 3 resistors as you want, but you can only use 6 resistors in total. You want to make a circuit that has an equivalent resistance of 4.5 9. Draw the circuit. (Hint: Two resistors in parallel that have...
PHYSICS II:
1) A6.0 volt battery is connected to a 24.0 ohm resistor for 1 hour. A) Find the current through the resistor. B) Find the total charge that passes through the resistor. 2) A) Find the power output of the battery problem # 1. B) Find the power used by the resistor in problem # 1. 3) Find all equivalent resistances that can be obtained by using three 4.0-2 resistors in a circuit? You must use all three of...
25
25 You need a 10 Ohm resistor; however you only have a box of 40 Ohm resistors. How can you combine them to produce an equivalent resistance of 10 Ohm? A. This is not possible. B. By combining two 40 Ohm resistors in series. C. By combining four 40 Ohm resistors in parallel. D. By combining two 40 Ohm resistors in parallel. E. By combining four 40 Ohm resistors in series.
Assume that you have two unknown resistors. You connect the two resistors to a power supply in series with each other and them measure the power dissipated by each. You find that the first resistor dissipates 10 W while the second resistor dissipates 15 W. Which resistor has a larger resistance? Explain.
Base your answer to the question on the information and diagram below. A 20.-ohm resistor and a 30.-ohm resistor are connected in parallel to a 12- volt battery as shown. An ammeter is connected as shown. 12V >20.2 30. What is the equivalent resistance of the circuit? 10. 2. 1202 252 + 50.
You have a 10 ohm resistor connected in series with an ammeter. The voltage applied to the whole circuit is 1.2 volts. At the same time you have a voltmeter connected across the 10 ohm resistor and voltmeter reads 0.9 volts. The circuit draws a total of 0.5 amps. Can you determine resistance of the ammeter?
The electronics supply company where you work has two different resistors, R1 and R2, in its inventory, and you must measure the values of their resistances. Unfortunately, stock is low, and all you have are R1 and R2 in parallel and in series - and you can't separate these two resistor combinations. You separately connect each resistor network to a battery with emf 36.0 V and negligible internal resistance and measure the power P supplied by the battery in both...
Draw a circuit with a resistance(R=V/I) of 1500 ohms, but you only have access to 1 resistor of 1000 ohm. Hint: use exactly 3 resistors. Use wires, switches, battery, voltmeter, and ammeter, regular resistors of 10 ohms. You can change your resistor value. Do this by using equivalent resistance equations for both series and parallel.