If electrons flow very slowly through a circuit, why doesn't it take a noticeably long time for a lamp to glow when you turn on a distant switch? Explain your answer.

Q: An electric oven of 2 kW power rating is operated in a domestic electric circuit (220 V) that has a…

A: It is given that

Q: A 100 W lightbulb is brighter than a 60 W lightbulb when both operate at the same voltage of 120 V.…

A:

Q: In a simple series circuit, the voltage drop across every resistor has to be the same True or False…

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Q: What length of copper (p=1.78 x 10-80m) wire 1.2 mm in diameter is needed to make a 20-Q resistor at…

A: Resistance of a material is the substance's opposition to the flow of current through them. The…

Q: ..An electric oven of 2 kW power rating is operated in a domestic electric circuit (220 V) that has…

A:

Q: Midterm Test (13 yo 3 i elearn.squ.edu.om/mod/quiz/attempt.php?attempt=D1828960&cmid%= SQU…

A: Given: The length of the conductor A is L. The width of the conductor A is 2L. The length of the…

Q: Two 120 V light bulbs, one 25 W and one 200 W, were connected in series across a 240 V line. It…

A: Given data: The power of the first bulb is P1=25 W. The power of the second bulb is P2=200 W.…

Q: If you have five (5) 100-k2 resistors, how will you be able to get a total of a) 25 kQ b) 50 k2 c)…

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Q: How many electrons pass a position in a circuit every second if the current in this circuit is 15 A…

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Q: 1. How much current is flowing in a circuit where 1.27 x 10 electrons move past a given point in 100…

A: Solution:-Given thatnumber of electrons (n)=1.27×1015time (t)=100 ms=100×10-3 s

Q: Is R1 6.8 kN + + R4 8.2 kM E=12 V R2 18 kN V2 R3 2 kΩ

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Q: QUESTION 5 "Which of the following resistors dissipate more power, if connected across the same…

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Q: A student keeps his 9.0 V, 6.4 W radio turned on at full volume from 7:00 p.m. until 6:00 a.m. How…

A: Given,Potential = 9 VPower = 6.4 WTotal time radio used, t = 11 hrs =11×60×60 = 39600 s

Q: Which of the following is incorrect regarding conductors?     (The answer can be found on more…

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Q: What current flows through a 2.54-cm- diameter rod of pure silicon that is 20.0 cm long, when 1.00 ×…

A: Given data d=2.54 cmL=20 cmV=1000 V Here, d is the diameter of the wire and L is the length of the…

Q: three condensers of 6, 10, and 15 micro-farads are connected in series across a 200 V supply. if the…

A: Given: The series condensers are 6,10 and 15 micro-farads The voltage is 200V

Q: A series circuit consists of three identical lamps connected to a battery as shown in the figure…

A: A series circuit consists of three identical lamps connected to a battery.

Q: Which of these lightbulbs, the 25-W bulb (upper left) or the 60-W bulb (upper right), has the higher…

A: The household electrical appliances are all in a parallel connection with each other. Hence, they…

Q: Integrated Concepts How much time is needed for a surgical cauterizer to raise the temperature of…

A: The energy required to the raise the temperature for the given case is

Q: current is flowing in

A: Given, No of electron n=1.27×1015 So charge Q=ne=1.27×1015×1.6×10-19…

Q: Two appliances are connected in parallel to a 120-V battery and draw currents I, 1 = 3.5 A. If these…

A: The current I1=2.0AThe current I2=3.5ATo find the total current in the circuit

Q: If electrical power is transmitted over long distances, the resistance of the wires becomes…

A: The expression for the electrical power is,

Q: The electric field inside a solid conductor in which there is no current is zero.

A: The electric field inside a solid conductor in which there is no current is zero. Because the net…

Q: current through the 4W and 60W bulbs running on a house voltage of 120V

A: Given: Voltage is V=120 V Power of bulb 1 is P1=4 W Power of bulb 2 is P2=60 W Note: 1 A=1000 mA…

Q: The current is zero in a conductor when no potential difference is applied because: otherwise Ohm's…

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Q: 1. How much current is flowing in a circuit where 1.27 x 1015 electrons move past a given point in…

A: Given that,Time : t = 100 msCharge : Q = 1.27×1015×1.6×10-19 (C)                  Q = 2.0345×10-4…

Q: Can anybody be shocked when touching a wire carrying a very large current with a low voltage source?…

A: Can anybody be shocked when touching a wire carrying a very large current with a low voltage source?…

Q: 1. How much current is flowing in a circuit where 1.27 x 1015 electrons move past a given point in…

A: Electric current.

Q: Which of the following statements is true? In a closed circuit; current leaves the positive terminal…

A: In a closed circuit, the current flows from higher potential to lower potential. Positive terminal…

Q: 29. Which of the following descriptions is consistent with a constant decrease in the current…

A: Current is charge flowing through a conductor per sec. I=qt To decrease in current we have to…

Q: In the given circuit, is changes from 8 A to 10 A at t = 0, that is, is = [ 8u(-0) + 10ul)]A. Find )…

A: Given, is=8u-t+10u(t)A When t<0 iL(0)=8A When t>0 iL(∞)=10A Time constant,…

Q: Can a wire carry a current and still be neutral—that is, have a total charge of zero? Explain.

A: Current is the rate of flow of charge through the conductor. When the electrons enter the circuit,…