Current Voltage Resistance And Ohm S Law Worksheet Answers
The formula v i r is known as ohm s law.
Current voltage resistance and ohm s law worksheet answers. It does have resistance and that this accounts for the disparity between the predicted and measured. Find the applied voltage of a telephone circuit that draws 0 017amperes through a resistance of 15 000 ohms. The current flowing through the resistor is directly proportional to the voltage applied across it. They answer 13 problem solving questions using ohm s law.
Ohm s law would suggest an infinite current current voltage divided by zero resistance. Yet the experiment described yields only a modest amount of current. In this physics worksheet students use ohm s law to solve for voltage current and resistance. If you think that the wire used in the experiment is not resistance less i e.
The connection between current voltage and resistance was discovered in 1827 by georg ohm a german physics and maths teacher. Given the resistance and voltage supplied to a circuit students use ohm s law and circuit rules to find the voltage drop across and current through every resistor. About this quiz worksheet. How much current does it draw.
Now you should understand the concepts of voltage current resistance and how the three are related. A 20 volt relay has a coil resistance of 200 ohms. The irresistible georg ohm. Find the applied voltage of a circuit that draws 0 2 amperes through a 4800 ohm resistance.
The majority of equations and laws for analyzing circuits can be derived directly from ohm s law. He finally published the law in 1827 and generalized his observations in single statement. Resistance and ohm s law worksheet. Show your work and box your answer.
It is represented by the symbol w. Ohm s law is an important concept in the study of electricity and this quiz worksheet will help you test your understanding of its components. By knowing this simple law you understand the concept that is the basis for the analysis of any electrical circuit. This uneditable pdf file includes 3 pages with answers to each.
Adjust the voltage and resistance and see the current change according to ohm s law. Predict how current will change when voltage of the circuit is fixed and resistance is varied.