The resistance of a device is measured according to ohms law. the voltage and the current are measured to be 8.5 +/- 0.5 volts and 2.5 +/- .05 mA. Find average resistance and experimental error
The resistance of a device is measured according to ohms law. the voltage and the current...
A voltage of 6.00V across the terminals of a device produces a current of 3.00 mA through the device. What is the resistance of the device? Express your answer in kilo Ohms to three significant figures.
Ohm's law states V = IR, Voltage = Current x Resistance. If a toaster has a resistance of 60 ohms and is plugged into a 120 volt outlet, how much current will it "draw"? 5 Amps 2 Amps O 0.5 Amps O 1 Amp
A battery of internal resistance 0.5 ohms is connected to a load of resistance 4 ohms. If the battery has an EMF of 6.0 volts, what is the terminal voltage when it is under load?
Rearrange the equation current = voltage/resistance to express resistance in terms of current and voltage. Then solve the following: A certain device in a 100-V circuit has a current rating of 30 A. Part A What is the resistance of the device how many ohms)? Express your answer to two significant figures and include the appropriate units. HAO? R= Value Units Submit Request Answer
3- An electric circuit has internal resistance of 50 ohms. The current I = Voltage Resistance +50) or I = V/(R+50) The Power P = 12*R (units watts) Write a Matlab script where voltage V = 10 volts and Calculate the Current and Power for the following Resistor values: [ 10, 20, 30, 40.50.60.70, 80 1001 Plot the current and power vs resistance on the same plot using plotvy function.- Left y axis is current, and right y axis is...
Question 1 8.75 pts Ohm's law states V = IR, Voltage = Current x Resistance. If a toaster has a resistance of 60 ohms and is plugged into a 120 volt outlet, how much current will it "draw"? O 5 Amps O2 Amps O 0.5 Amps 1 Amp Question 2 8.75 pts The atomic nucleus is most often made up of protons protons and neutrons Fermions neutrons electrons
Pre-lab EM-5 Ohm's Law and Kirchhoff's Rules Ohm's Law The resistance R of a device can be determined by either directly measuring the resistance using an ohmmeter, or by measuring the current I through it and the voltage Vacross it, and then calculating R using Ohm's Law V R= (1) If the voltage across a resistor is 10V, and the current passing through it is 2.5 mA. of the resistor? What is the resistance R= Ω. Kirchhoffs Loop Rule Around...
QUESTION 8 Find the uncertainty in a calculated average speed from the measurements of distance and time. Average speed depends on distance and time according to this function vitx)-x/t Your measured distance and time have the following values and uncertainties x-47 meters, x12 meters and t-87 seconds and St16 seconds. What is the uncertainty in the average speed, 5v? Units are not needed in your answer QUESTION 9 Find the uncertainty in a calculated electrical potential difference from the measurements...
QUESTION 1 5 points Save Answer A resistor R = 2k Ohms has a voltage V = 15 Volts. What is the current I through the resistor? Express your answer in mA. QUESTION 2 5 points Save Answer Three resistors are connected in series: R1 10k Ohms, R2 = 17k Ohms, R3 = 32k Ohms. A DC voltage source ( Volts) is connected across the three resistors. Determine the current I in mA. 7 QUESTION 3 5 points Save Answer...
Need help with conclusion questions please 1. The objectives of this lab are (1) to determine the actual (A) total resistance of three resistors connected in series and compare it with the experimental (E ) value of total resistance (2) to determine the actual (A) total resistance of three resistors connected in parallel and compare it with the experimental(E ) value of total resistance II. Apparatus(Equipment): Voltage source, ammeter that measures current , voltmeter that measures voltage. II. Procedure: Three...