Question 4 An electrical circuit has a circuit breaker that is designed to trip if the current gets above 10 amps. The circuit currently has voltage of 120 volts and resistance of 20 ohms. What changes would you have to make to the voltage and/or resistance in order to get the circuit breaker to trip? A Half the voltage to 60 volts and keep resistance the same. B Double the voltage to 240 volts and keep resistance the same. C Double the resistance to 40 ohms and keep the voltage the same. D Double the voltage to 240 volts and the double the resistance to 40 ohms.

Question 4 An electrical circuit has a circuit breaker that is designed to trip if the current gets above 10 amps. The circuit currently has voltage of 120 volts and resistance of 20 ohms. What changes would you have to make to the voltage and/or resistance in order to get the circuit breaker to trip? A Half the voltage to 60 volts and keep resistance the same. B Double the voltage to 240 volts and keep resistance the same. C Double the resistance to 40 ohms and keep the voltage the same. D Double the voltage to 240 volts and the double the resistance to 40 ohms.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter12: Batteries And Other Sources Of Electricity

Section: Chapter Questions

Problem 14RQ: 14. A 6-V lead-acid battery has an A-hr rating of 180 A-hr. The battery is to be load-tested. What...

See similar textbooks

Question 4

An electrical circuit has a circuit breaker that is designed to trip if the current gets above 10 amps. The circuit currently has voltage of 120 volts and resistance of 20 ohms.

What changes would you have to make to the voltage and/or resistance in order to get the circuit breaker to trip?

A	Half the voltage to 60 volts and keep resistance the same.
B	Double the voltage to 240 volts and keep resistance the same.
C	Double the resistance to 40 ohms and keep the voltage the same.
D	Double the voltage to 240 volts and the double the resistance to 40 ohms.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

4. Four cells each of 2.10 volt internal emf are parallel connected together to make a battery. The internal resistances are 0.004, 0.005, 0.003 and 0.0025 ohm. Calculate for parallel connections: (a) internal emf and resistance of the single equivalent cell (b) current for a terminal voltage of 1.95 volts, (c)current in each cell
If the measured values for resistors #1, #2 and # 3 are 552, 549 and 549 Ohms calculate the %error (measured difference from expected value as a percentage) for each resistor. Are they within tolerance (or specification) of manufacturer? #1 98.4% #2 97.9% #3 97.9% Yes within specification a. b. #1 1.6% #2 2.1% #3 2.1% Yes within specification #1 1.6% #2 2.1% #3 2.1% No outside specification Ос. Use Ohm's Law to calculate the equivalent resistance of R12, R23 and R123 (as specified in the lab manual) using measured resistances #1 552 Ohms, #2 549 Ohms, #3 549 Ohms R, R2 R,= R12 R23
Q1.) a) PMMC meter has (10mA) half scale current deflection and (1500) internal resistance. Use this meter to design a dc multimeter of indirect ammeter and direct voltmeter methods to measure the following ranges of current and voltage: 50mA, 100mA, 1A, 5V, 50V, and 150V. Draw the circuit diagram of this multimeter with a control switch that can be used to measure either current or voltage.
State the characteristics of voltage and current in a series circuit connection of resistors. State the characteristics of voltage and current in a parallel circuit connection of resistors. please explain it properly.
A resistor has a resistance of 20 ohms at 30 degrees Celsius and 32 ohms at 90 degrees Celsius. Find its resistance at 125 degrees Celsius. Determine also the temperature coefficient at 100 degrees Celsius. (Please Show Complete solution and write properly) (Round off the final answer to the 4th decimal if possible and box the final answer)
What are the relationships of resistance, voltage and current, and the distribution of voltages and currents in each resistor for the different type of circuits.
1. Make a chip diagram (include chip and all connections) for the following circuits:A.) B’C’ + A’BB.) A’C’ + A’B + AB’C’
leaving a freevway. Current from the opposite side must travel further, weakening the potential on that side. This creates a potent the motor in that direction, causing the motor to spin. O Only the side where the switch is closed forms a cormplete circuit, so the motor must spin in that direction. Answer the questions and submit the photos for questions 2 -9using the circuit from STEP 2. D2 Yellow R1 50 Q R2 50 0 R3 PSB (+ 5 V 100 aLW R4 D1 100 Q Blue SW1 Sw2 Question 2 本

14. Which of the following lead-acid battery voltages has the highest value?A. Equalize voltageB. Open-circuit voltagels.C. Discharge voltageD. Floating voltage Obs: I inform you that the answer to letter " A " is wrong, according to the test I did. I appreciate your help which of this question is the correct answer. thanks
How open circuit test can be performed and which type of losses can be found using this test
There are 32 solar cells in the solar system, and each one has the qualities listed below: Voc is set at 0.75 volts, while Isc is set at 2 milliamperes. Open circuit voltage and short circuit current will be if all four cells are in series and the groups are linked in parallel.
Draw the circuit by using Tinkercad. and measure the Voltage and Current for each Resistors.