Queston 5 Two bulbs one of 50 watt and the other is of 25 watts are connected in series, then current in each is different. Not yet answered Select one: Marked out of O True 100 T Flag question O False Question 6 Vab =0 when the switch is closed. Not yet answered Marked out of 200 2002 1.00 Flag question a 12 V 600 N 3002

Queston 5 Two bulbs one of 50 watt and the other is of 25 watts are connected in series, then current in each is different. Not yet answered Select one: Marked out of O True 100 T Flag question O False Question 6 Vab =0 when the switch is closed. Not yet answered Marked out of 200 2002 1.00 Flag question a 12 V 600 N 3002

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question 4 Five resistors of the same resistance R are connected as shown below. What is the equivalent resistance? Kunni 1.5R R 5R 0.2R 0.33R 2.5R 2R 0.5R E
Q4. Using Mesh Analysis, Calculate current and voltage across resistance R. 8A 4N ŽR 8V
l100 Jo Tuedten Not yet answered Marked out of 7 Flag question A thermometer made of Platinum has a resistance of 50 2 at 20 C, what is the measured temperature (in units of C) when its resistance is 77 N. Assume the temperature coefficient of resistivity to be a= 3.92×10 3 C1 Select one: A. 137.75 B. 392.85 OC. 103.75 D. 627.96 E. 157.75
A charge 20 C flows out from the battery in 8s and as a result 120J of energy is supplied to a lamp connected across the battery. A) what current passes through the lamp b) potential difference across the lamp
QUESTION 3 Suppose that you have a leaf blower that draws 1100 Watts in operation, It is fed by an extension cord that is plugged into a 120 volt outlet by two wires having a resistance of 0.15 ohms each. Because of that resistance, the voltage at the leaf blower is a bit less than 120 volts, but you can stll assume that it runs on the same current it would if it were connected to a true 120 volt supply. How much power is dissipated in the extension cord? 25 watts 13 watts O 40 watts 63 watts O 20 watts
13 A student is attempting to create a circuit that will generate the maximum amount of heat possible. All resistors have equivalent length, area, and shape. Resistance Materials Resistance Material (요) Aluminum 2.7 Germanium 1,500,000 Quartz 7,500,000,000 Silver 1.6 Which of the following would be most effective in generating heat? A Aluminum B Germanium C Quartz D Silver
Question 12 What is the potential difference if a current of 3 A flows through a resister with a value of 20 ohms? 6.67 V 17 V 0.15 V 60 V
10 If the resistors given in the table are connected in parallel, what is the value in Cell C? Resistance Current Voltage (Rmeo) (I) (V) R₁ 292 Cell C R₂ 592 2.5 A 12 V R3 10 92 Cell B RT Cell A 8 A 2V 6 V 8V 12 V
A Question 3 A4.0 ohm resistor is connected to a 12 volt battery in the circuit shown below. What will happen to the current if the 12 volt battery is replaced with a 6.0 valt battery? gil be halved. B. It will quadruple. C. It will double. It will remain the same.
QUESTION 4 Which of these is the useful output of the battery? O Elecrtic Circuit Interaction (EC) O Heat Interactions Light Interaction