
If voltage in a circuit remains constant and the resistance decreases: Choose the best answer. Current...
With the circuit shown, if the ac voltage source has a constant voltage but increases in frequency what happens to magnitude of the current in the circuit? current decreases Choose current decreases current increases stays the same w Vs current increases Vs R R stays the same Vs R Choose... R Vs Choose... c R WW Vs Choose... R
With the circuit shown, if the ac voltage source has a constant voltage but increases in frequency what happens to phase difference between the source current and source voltage? Vs phase difference increases Choose phase difference decreases stays the same phase difference increases Vs Choose.. Vs R } Choose... R Vs Choose... H с R Vs Choose... . R w R Vs Choose... .
Rearrange the equation current = voltage/resistance to express resistance in terms of current and voltage. Then solve the following: A certain device in a 100-V circuit has a current rating of 30 A. Part A What is the resistance of the device how many ohms)? Express your answer to two significant figures and include the appropriate units. HAO? R= Value Units Submit Request Answer
for questions #14-17, choose from increase, decrease, remains constant. 14. if velocity increases, and radius remains the same, centripetal acceleration _15. if velocity remains constant, and radius decreases, the perceiced centrifugal force____16. if an object has uniform circular motion, acceleration ______ 17. if centripetal acceleration is increased, it is because force_____
The conventional theory of current flow states that electricity flows: Choose the best answer. From the negative terminal of a voltage source, through the circuit, and back to the positive terminal of the voltage source. From the positive terminal of a voltage source, through the circuit, and back to the negative terminal of the voltage source.
Choose the best answer from the available descriptions about the following circuit diagram. A B 4 V 6 V 10 V 5 V The circuit does not adhere to Kirchoffs Voltage Law. The circuit does adhere to Kirchoffs Voltage Law. The circuit does not adhere to Kirchoffs Current Law The circuit does adhere to Kirchoffs Current Law. I do not know +
In a resonance circuit: a.the current is ahead of the resistance. b.The voltage is ahead of the current. c.The current is ahead of the voltage. d.Current and voltage are in phase.
Mixed Review 21.108 2 of 42> tants Part A Consider the circuit shown in the figure(Figure 1), in which three lights, each with a resistance R, are connected in series. The circuit also contains an open switch Does the current supplied by the battery increase, decrease, or remain the same when the switch is closed? O increase decrease remain the same Submit Request Answer Figure 1 of 1 ? Part B Choose the best explanation from among the following The...
Figure 13-1
13) Find the voltage across the capacitor in Figure 13-1.
A) 0.633 V B) -4.9 V C) 5.37 V D) 10.7 V
14) If the resistance increases in Figure 13-1, the impedance
________.
A) decreases B) increases C) remains the same D) becomes
zero
15) As the frequency approaches the resonant frequency in Figure
13-1, the voltage across the resistor ________.
A) becomes increasingly unstable B) increases
C) remains the same D) decreases
Figure 13-2
16) If the...
In the circuit below the voltage supplied by the battery is 3.0 V and the resistance of the resistors, R1, R2 and R3 are 4.0 Ω, 10.0 Ω and 19.0 Ω respectively, what is the current through the resistor R1? R1 R2 Rs 0.214 A Submit Answer Incorrect. Tries 4/10 Previous Tries What is the current through the resistor R2? Submit Answer Tries 0/10 What is the current through the resistor R3? Submit Answer Tries 0/10