According to ohm's law V = iR
So V / i = R
So answer is resistance.
Resistance to the electron flow exist because copper wire has some resistivity.
the ratio of the electric potential across a circuit element to the current flowing through that...
3. A platinum wire of resistance 5 ohms has 4[amperes] of electric current flowing through it. (3a) How many electrons are entering (and leaving) the wire per second, and why? (3b) What is the voltage drop across this wire in Volts? (3c) What is the magnetic field magnitude at a distance of 5[mm] away from the wire
11·The current through each element and voltage drop across each element are given for the circuit shown below. 7.273 mA -7273 mA a10V7.273 う-" . | c | |-5455 n1A d - 2.727 V 1.818 mA a. Use passive sign convention to determine the power for each circuit element. b. Which circuit elements are absorbing energy from the circuit? c. Which circuit elements are supplying (delivering) energy to the circuit? d. Is this circuit balanced? In other words, is the...
Calculate the (a) current flowing in the circuit below and (b) voltage drop across the resistor Ron the right. The temperature is 600K. The battery voltage is 5 V. The resistance R-1 Giga Ohm. The equation for current through the diode is 1" 18 9 (exp/Vd/(2*VT)) - 1) Amperes. Vd is the voltage drop across the diode and VT is thermal voltage. Do not forget that this is diode with 2 as shown in the equation above. (1 Giga -...
In the image: there is a current of 0.5 (A) flowing in the circuit. A) Calculate the voltage of power supply V in the circuit. B) Show the direction of electric current in the circuit and looped wire (show in the image) C) Calculate the magnitude of the magnetic field in the center of the loop which has a radius of 20 (cm). D) Show the direction of the magnetic field in the center of the loop due in image,...
In the image: there is a current of 0.5 (A) flowing in the circuit. A) Calculate the voltage of power supply V in the circuit. B) Show the direction of electric current in the circuit and looped wire (show in the image) C) Calculate the magnitude of the magnetic field in the center of the loop which has a radius of 20 (cm). D) Show the direction of the magnetic field in the center of the loop due in image,...
Determine the circuit element if the voltage across and the current through the element is given by: v = 50 cos(ωt + 20°) i = 5 sin(ωt + 110°)
Calculate the current through and voltage across each circuit element using Mesh Analysis Determine the current through and voltage across each circuit element using Nodal Analysis Find the Thevenin equivalent circuit for the network external to the resistor R5 and use it to calculate the voltage across as well as the current through the resistor R5 Find the Norton equivalent circuit for the network external to the resistor R5 and employ it to compute the voltage across as well as...
In the image: there is a current of 0.5 (A) flowing in the circuit. A) Calculate the voltage of power supply V in the circuit. B) Show the direction of electric current in the circuit and looped wire (show in the image) C) Calculate the magnitude of the magnetic field in the center of the loop which has a radius of 20 (cm). D) Show the direction of the magnetic field in the center of the loop due in image,...
a.) Find the voltage across and current through each passive element in the circuit below while maintaining the given reference polarities and directions. b.) Determine the amount of power delivered to each passive element. c.) Determine the amount of energy stored in each passive element.
Problem 4 In the image: there is a current of 0.5 (A) flowing in the circuit. A) Calculate the voltage of power supply V in the circuit. B) Show the direction of electric current in the circuit and looped wire (show in the image) C) Calculate the magnitude of the magnetic field in the center of the loop which has a radius of 20 (cm). D) Show the direction of the magnetic field in the center of the loop due...