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.
PART A: A voltage of 18.0V 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 kilohms to three significant figures. PART B: An old battery with an emf of 8.4 V has a terminal voltage of 8.0 V when it is supplying a current of 2.0 mA. What is the internal resistance of the battery? Express your answer in ohms as an integer....
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...