You have a simple circuit consisting of a battery and a lightbulb (you can imagine that this circuit is contained within a flashlight).  If the total potential difference provided by the batteries in this circuit is 6V, and if you measure the current to be 76.64mA, what is the resistance of the light bulb

You have a simple circuit consisting of a battery and a lightbulb (you can imagine that this circuit is contained within a flashlight).  If the total potential difference provided by the batteries in this circuit is 6V, and if you measure the current to be 23.04mA, what is the resistance of the light bulb (created by the thin wire which composes the filament) in units of Ohms?

Question 3. Consider the combination of the resistors as in Figure 1. Find (a) the equivalent resistance of the resistors connected across the battery, (b) the current in the 2.00 2 resistance. (c) Calculate the power delivered by the battery to the circuit. (d) The resistance of 20.0 N linear resistor at 0.00°C changes to 123.0 N at 503.0°C, find the temperature coefficient of resistivity 2.00 N 18.0 V 3.00N 6.00 N 4.00 N Figure 1:

In the circuit shown in the diagram below, two thick wires connect a 1.7 volt battery to a Nichrome (NiCr) wire. Each thick connecting wire is 17 cm long, and has a radius of 11 mm. The thick wires are made of copper, which has 8.36e+28 mobile electrons per cubic meter, and an electron mobility of 0.00434 (m/s)/(V/m). The Nichrome wire is 8 cm long, and has a radius of 2 mm. Nichrome has 9e+28 mobile electrons per cubic meter, and an electron mobility of 7e-05 (m/s)/(V/m). [Copper What is the magnitude of the electric field in the thick copper wire? ]V/m What is the magnitude of the electric field in the thin Nichrome wire? v/m Nichrome Copper

One of the circuits in a portable CD player operates on a current of 2.5 mA. How many electrons enter and leave this part of the player in 1 sec?

The current in a 3.0 V battery of a pocket calculator is 0.17 mA. In one hour of operation, (a) how much charge flows in the circuit and (b) how much energy does the battery deliver to the calculator circuit?

A resistor is dissipating 119milliwatts​ [mW] of power. The voltage across the resistor is 26 volts​ [V]. ​(a) What is the value of the​ resistance? Express your answer in units of ohms​[Ω​]using an appropriate SI prefix such that there are only​ one, two, or three digits shown to the left of the decimal. ​(b) What is the current through the​ resistor? Express your answer in units of amperes​ [A] using an appropriate SI prefix such that there are only​ one, two, or three digits shown to the left of the decimal.

Someone has given you a light bulb and asked you to figure it out the materials of the filament of a light bulb made from. You placed the light bulb in the bulb holder and with the help of multimeter, you measured a current of 0.830 A passing through the bulb and voltage of 1.20 x 102 V across the bulb. When you solve the problem, please use the length of the filament as 6.00 x 10¹ cm and diameter of the wire as 9.50 x 10-3 mm. Hint: You simply find the resistivity of the material and then compare your value from the table provided here. After that tell me the name of the material of the filament. Is it tungsten or something else? Material Copper Aluminum Tungsten (20°C) Tungsten (1500°C) Iron Nichrome Search Resistivity (2.m) 1.7x10-8 2.7x10- 5.6x10-8 5.0×10-7 9.7x10-8 1.5×10- H

Consider the circuit in the drawing. Determine (a) the magnitude of the current in the circuit and (b) the magnitude of the voltage between the points labeled A and B. The figure shows 4 resistors and 2 batteries in series. Clockwise from the top left, a 5 ohm resistor is connected to the negative terminal of a 30 volt battery. The node between the resistor and the battery is marked A. The positive terminal of the battery is connected to a 27 ohm resistor. The 27 ohm resistor is connected to the positive terminal of a 10 volt battery. The node between the resistor and the battery is marked B. The negative terminal of the battery is connected to the 12 ohm resistor. The 12 ohm resistor is connected to a 8 ohm resistor and the 8 ohm resistor is connected to the 5 ohm resistor in the top left corner.

A simple circuit contains a 12 V battery and a light bulb with a resistance of 40 Ω. What is the current flowing through the circuit? Your answer should be in units of Amperes (A) but you should only submit the number for your answer.