Three wires meet at a junction. Wire 1 has a current of 0.40 A into the junction. The current of wire 2 is 0.65 A out of the junction. (a) How many electrons per second move past a point in wire 3? (b) In which direction do the electrons move—into or out of the junction?

Q: A current of 6.00 A flows in a conductor for 5.5 s. How much charge passes a given point in the…

A: We know that,Electric current, I= qtIn simple words, Electric current is defined as the rate of flow…

Q: (a) Find the number of electrons that flow past a given point in the wire in 11.1 minutes.…

A: a) The current flowing through a point can be represented as, Here, q and t represent the charge…

Q: 3.7×1020 electrons are flowing past any point in a wire per minute (electron charge = -1.6×10-19 C).…

A: Given :     Number of electron , N = 3.7*1020     Time, t = 1 minute = 60 s      electron charge, q…

Q: A potential difference of 1.0 V is maintained across a 10 resistor for a period of 90.0 s. What…

A:

Q: 1. In a given fluid, positive ions, each with three excess protons, move towards right at a steady…

A: Given, Positive ions and negative ions are moving in different direction in a given fluid

Q: Three wires of the same diameter and length are made from three different metals: copper (ρ = 1.7 ×…

A: Given data:  The length and diameter of three wires are same The resistivity of materials ρcu = 1.7…

Q: A service station charges a battery using a current of 5.7 A for 7.0 h. What is the total charge in…

A:

Q: A current of 6.0 A flows through an electrical device for 10 seconds. How many electrons flow…

A: Given that,Current : i = 6 (A)Time : t = 10 (sec)The charge of electron : e = 1.6×10-19 (C)Here we…

Q: The potential difference across the terminals of a battery is 20V when the circuit is open. When a…

A: Potential difference across the terminals of a cell when circuit is open is known as EMF. Hence, EMF…

Q: A potential difference of 1.00 V is maintained across a 10.0-0 resistor for a period of 20.0 s. What…

A: Solution:-Given thatPotential difference (V)=1 VResistance (R)=10 ohmtime (t)=20 s

Q: Compute for the total charge, in microcoulombs. v(t) = 2cos(2π 49 t) is applied across a 48Ω…

A:

Q: BIRDS SITTING ON A LIVE WIRE. Why do birds resting on a live wire are not electrocuted?   Choices:…

A: According to Ohm's law V =iRWhere, V is the potential difference So, the curent flows when there is…

Q: A current of 7.00 A flows in a conductor for 8.50 s. How many electrons pass a given point in the…

A: Write the given values with suitable variables. I=7 At=8.5 s Here, I and t are the current and the…

Q: Ex (H. W) Determine the current supplied by each Battery in the Grcuit 42 5 V 22 30 V 20 V- svT 5 V…

A: Let us assume that current flows in anticlockwise direction in each loop shown in the diagram…

Q: The starter motor of a car engine draws a current of 190 A from the battery. The copper wire to the…

A:

Q: Q-2 Find the equivalent resistance and current by considering the following circuit.( R5 78 Q R4 145…

A: Given data: The voltage of the battery, V2=652 V. The resistance, R1=361 Ω. The resistance, R2=450…

Q: In the circuit shown, R1 = 3 ohms, R2 = 6 ohms, R3 = 20 ohms, and Potential = 12 V. Calculate the…

A:

Q: The starter motor of a car engine draws a current of 190 A from the battery. The copper wire to the…

A:

Q: A current of 9.50 A flows in a conductor for 8.00 s. How many electrons pass a given point in the…

A:

Q: This diagram demonstrates that 12 A A 10 A 4A 6A 4A A2A R1 R2 R3 12 A A 10 A 4A O The current within…

A: To determine How current behaves in the given circuit ?

Q: A metal wire carries a current of 77.8 mA. (a) Find the number of electrons that flow past a given…

A: Given Data:- Current through the wire is I=77.8 mA =77.8 mA×1 A103 mA =7.78×10-2 A Time t=10.2 min…

Q: Using this information, estimate the following quantities (a) total amount of charge transferred…

A:

Q: You have a devise with resistance of 1 is operated at a voltage of 8.0 V. How many electrons pass…

A: Reistance (R)=1 ohmVoltage (V)=8 Vtime (t)=0.4 scharge on electron (qe)=1.6×10-19 C

Q: Question: If a current of 64 A is running through point a, what is the potential difference between…

A: Given data:  Current through point a (I) = 64 A Resistance (R1) = 6.7 Ω Required: Potential…

Q: A current of 5.0 A exists in a 10-2 resistor for 4.0 min. How many coulombs pass through any cross…

A: Answer:- 1200 c  Given  Current (I) = 5.0 A  Resistance (R) = 10 ohm  Time (t) = 4.0 minutes = 4 ×…

Q: The starter motor of a car engine draws a current of 180 A from the battery. The copper wire to the…

A: The current from the battery: I = 180 A;The diameter of the copper wire: d = 4.30 mm (0.0043 m);The…

Q: If the unknown resistor, R, is 20 Q, what is the voltage drop across that resistor, R? 10 0 10Ω. 10…

A: Solution:Here R1, R2 are in series thus…

Q: Cylindrical-conductors has inner and outer radii of 2 mm and 50 mm, respectively. If V(p = 2 mm) =…

A: Here,  Inner radius = 2 mm Outer radius = 50mm Conductivity =5×10-4 s/m

Q: A current of 4.50 A flows in a conductor for 7.50 s. How many electrons pass a given point in the…

A: Given data:  Current (I) = 4.50 A Time (t) = 7.50 s Required: Number of electrons passed through…

Q: A current of 1.6 A flows for 8.9 s through a conductor. Calculate the number of electrons that pass…

A:

Q: A current of 2 A flows through a gold wire with a radius of 3 cm and a length of 15 m. There are…

A: Given data:  Current (I) = 2 A Radius (r) = 3 cm = 0.03 m Free electron density (n) = 3.50×1020…

Q: Question 4. Consider an electric circuit as in Figure 2, determine, (a) the current in each…

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Q: An electric fish can generate a current with biological cells called electrocytes. The electrocytes…

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Q: An electric device delivers a current of 1 A for 10 seconds. How many electrons (1.6x10-19C) flow…

A:

Q: The potential difference across the terminals of a battery is 20V when the circuit is open. When a…

A: The internal resistance of the battery can be calculated using  ε=V+Ir…

Q: A current of 6.00 A flows in a conductor for 5.5 s. How much charge passes a given point in the…

A:

Q: The figure below shows a battery connected to a circuit. The potential difference across the battery…

A: R1 = 6.5 ohm R2 = 20 ohm R3 = 6.50 ohm R4 = 14 ohm R5 = 14 ohm (directly connected to battery)

Q: A 220-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1,180 A.…

A: Calculate the cross-sectional area of the cable. A=π4d2A=π4(2 cm×1 m100 cm)2A=3.14×10−4 m2

Q: A current of 9.00 A flows in a conductor for 4.5 s. How much charge passes a given point in the…

A: The amount of charge that passes through a given point is given by

Q: A current of 6.50 A flows in a conductor for 3.5 s. How much charge passes a given point in the…

A: The given values are, i=6.50 At=3.5 s

Q: (a) A certain conductor has a resistance of 10 ohms. It is placed between the poles of a cell whose…

A: Given data:  Resistance (R) = 10 Ω Potential difference (V) = 5 V Time (t) = 20 minutes Required:…

Q: A potential difference of 12.4 V is placed across a 4.1 Q resistor. What is the current in the…

A: By ohms law_                                  V=IR  and we have given                      V =12.4…