ELECTRICITY FOR TRADES (LOOSELEAF)
3rd Edition
ISBN: 9781260437454
Author: Petruzella
Publisher: MCG
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Chapter 4.2, Problem 13RQ
To determine
Calculate the resistance of the load.
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Chapter 4 Solutions
ELECTRICITY FOR TRADES (LOOSELEAF)
Ch. 4.1 - What is the practical unit of electric charge?Ch. 4.1 - Prob. 2RQCh. 4.1 - Prob. 3RQCh. 4.1 - Explain what a current flow of 1 ampere can be...Ch. 4.1 - Account for the fact that electric current travels...Ch. 4.1 - Prob. 6RQCh. 4.1 - Prob. 7RQCh. 4.1 - Prob. 8RQCh. 4.1 - Prob. 9RQCh. 4.1 - Prob. 10RQ
Ch. 4.1 - Prob. 11RQCh. 4.1 - Prob. 12RQCh. 4.1 - What is the cause and effect of resistance?Ch. 4.1 - When using an ohmmeter to measure resistance, what...Ch. 4.1 - Convert the following data: a. 12,000 A to kA b....Ch. 4.1 - Prob. 16RQCh. 4.2 - Define electric power.Ch. 4.2 - What is the basic unit used to measure electric...Ch. 4.2 - A toaster draws 8 amperes when connected to a...Ch. 4.2 - Prob. 4RQCh. 4.2 - Prob. 5RQCh. 4.2 - Prob. 6RQCh. 4.2 - Prob. 7RQCh. 4.2 - Compare a closed and an open electric circuit.Ch. 4.2 - Prob. 9RQCh. 4.2 - What does Ohms law tell us about current flow in a...Ch. 4.2 - Ohms law is applied to a circuit using what three...Ch. 4.2 - Prob. 12RQCh. 4.2 - Prob. 13RQCh. 4.2 - Prob. 14RQCh. 4.2 - Prob. 15RQCh. 4.2 - Prob. 16RQCh. 4.2 - Prob. 17RQCh. 4.2 - Prob. 18RQ
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- 14. A 6-V lead-acid battery has an A-hr rating of 180 A-hr. The battery is to be load-tested. What should be the test current, and what are the maximum permissible amount and duration of the voltage drop?arrow_forwardHow is resistance commonly measured? a. amperes b. ohms c. volts d. wattsarrow_forwardTwo 25-volt batteries having an internal resistance of 0.2 ohm and 0.4 ohm repesctively supply power to a 2-ohm load. How much current is delivered by each battery? Use counterclockwisearrow_forward
- A current of 1.50 A flows through a motor when it is connected to a 120 Vsource. What is the resistance of the motor?arrow_forwardHow much voltage will be dropped across a 40-kΩ resistance whose current is 250 μA?arrow_forwardAn electric iron has a current draw of 12.5 A when connected to a 120-V source. What is the resistance of the heating element in the iron?arrow_forward
- A 6.3-V tube filament (consider it a resistor) requires 300 mA. What power would be dissipated in heating the resistance in series with it if operation is across a 100-V line?arrow_forwardA 35 ohm resistor is connected to a 10-V supply. How many watts will this resistor have to dissipatearrow_forwardWhat voltage will produce 0.45 A of current through a 4800-Ω resistor?arrow_forward
- How do you calculate the resistance value in ohms for the conductance value of 0.001 S?arrow_forwardA current of 2 Amp flows thru a 6-ohm resistance connected across a battery. How much power is supplied by the battery?arrow_forwardA wire has a resistance 10 ohm. It is stretched by one tenth of the original length. Then itsi resistance will be ?arrow_forward
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