Two resistors are connected to each other in series. Which of the following is true? A. The resistors may have different voltages. B. The current through each resistor must be the same. C. The total resistance of the two resistors is determined through simple addition of the two resistors. D. All of the above.

4. Which of the following statements is true of the voltameters? A. Voltmeter 1 and voltmeter 2 will read the same voltage. B. Voltmeter 1 will read 6 V. C. Voltmeter 2 will read 6 V. D. Voltmeter 2 will read the correct voltage across the 3Ω resistor. E. Both voltmeters will read the correct voltage across the 6Ω resistor.

If connected to a 3 V potential difference, a certain resistor dissipates 0.5 W. How much energy would the resistor dissipate if it is connected to a 1 V potential difference? A. 0.056 W. B. 0.167 W. C. 0.5 W. D. 1.5 W. E. Cannot be determined.

A. Five resistors are connected as shown below. Which of the following statements is true? Select all apply. BE and C are in parallel A and E are in parallel A and C are in parallel B and D are in parallel A and D are in series B and E are in series AD and C are in parallel   B. Five resistors of the same resistance R are connected as shown below. What is the equivalent resistance? 0.33R 0.5R 2R R 2.5R 0.2R 5R 1.5R

1. Question 1: a. Draw a simple circuit diagram with a battery and a light bulb and how you can simultaneously use a voltmeter to measure the voltage drop across the resistor and use an ammeter to measure the current through the resistor. Label both circuit elements along with the current using the notation from Figures 1 and 2. b. If the battery voltage is 2V and the light bulb resistance is 100, what is the current in this circuit?

three light bulbs with an internal resistance of 1ohm each are wired first in series and then in parallel. each time they are connected to a 12v battery.  which of teh following statement is true   a. the equivalent resistance of the circuit will be greater when they are wired in parallel. b. the current through each light bulb will be greater when they are wired in parallel c. the voltage drop across each resistor will be greater when they are wired in series d. the light bulb will burn brighter when they are wired in series