Activity 2:Directions: Solve the following problems neatly and completely in the box below ONLY.1. A 32.0-2 resistor and a 20.0-2 are connected in parallel, and the combination is applied across a 240 Vde line.a) What is the resistance of the parallel combination?b) What is the total current through the parallel combination? Hc) What is the current through each resistor?

Answered: Image /qna-images/answer/6993920f-620b-478b-b2c5-bff0201b2803.jpg

Activity 2: Directions: Solve the following problems neatly and completely in the box below ONLY. 1. A 32.0-2 resistor and a 20.0-2 are connected in parallel, and the combination is applied across a 240 V dc line. a) What is the resistance of the parallel combination? b) What is the total current through the parallel combination? c) What is the current through each resistor?

Activity 2: Directions: Solve the following problems neatly and completely in the box below ONLY. 1. A 32.0-2 resistor and a 20.0-2 are connected in parallel, and the combination is applied across a 240 V dc line. a) What is the resistance of the parallel combination? b) What is the total current through the parallel combination? c) What is the current through each resistor?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter28: Direct-current Circuits

Section: Chapter Questions

Problem 28.5P: Three 100- resistors are connected as shown in Figure P28.5. The maximum power that can safely be...

See similar textbooks

Similar questions

PART A In (Figure 1), what fraction of current II goes through the 3 ΩΩ resistor? Part B : Second picture
solve this problem and explain each step, please a resistor of R ohms is connected across a battery of E volts with internal resistance r ohms, then the power (in watts) in the external resistor is P=E2R/(R+r)2 If E and r are fixed but R varies, what is the maximum value of the power?
What is the equivalent resistance of a 100 kΩ resistor and a 140 kΩ resistor in parallel? I first don't how the diagram would look, nor the how to determine equivalent resistance.
Activity 1- Problem Solving Solve the following problems involving the relationship of current, charges, and time from this equation I=Q/t. Show your complete solution. A total charge of 9.0mC passes through a cross-sectional area of nichrome wire in 3.5s. What is the current in the wire? How many electrons pass through the cross-sectional area in 10.0s? If the number of charges that pass through the cross-sectional area during the given interval doubles, what is the resulting current?
1) A resistor has a value of 20 ohms (Ω) when it is at 15 degrees Celsius. If the coefficient of thermal resistivity is 3.5 x 10-3/ Celsius, determine the value of the resistance at 97 degrees Celsius. Write your result to 3 significant figures. 2) A certain copper wire has a resistance of 10.0 ohm (Ω). a) At what point should the wire be cut so that the resistance of one segment is 4 times the resistance of the other segment? b) What is the resistance of each segment?
Q1: Upton Chuck is riding the Giant Drop at Great America. If Upton free falls for 2.60 seconds, what will be his final velocity and how far will he fall? Q2: A wire of length 3 m and area of cross-section 1.7 × 10-6 m2 has a resistance 3 × 10-2 ohm.a. What is the formula for resistivity of the wire and what is the unit of it?b. Calculate the resistivity of the wire.Q3: A point charge of −2 μC is located at the center of a cube with sides L=5 cm. What is the net electric flux through the surface?
A circuit consists of two 100-kΩ resistors in series with an ideal 12.0-V battery. Calculate the potential drop across one of the resistors. A voltmeter with internal resistance 10.0 MΩ is connected in parallel with one of the two resistors to measure the potential drop across the resistor. By what percentage will the voltmeter reading deviate from the value you determined in part (a)? (Hint: The difference is rather small, so itis helpful to solve algebraically first to avoid a rounding error.)
Consider a closed circuit in series that uses a 1000 micro F capacitor. I have drawn a figure below to illustrate this. How does using different resistors (like a 120 ohm & 620 ohm) change the time constant t ? How does this affect the time it takes for the capacitor to charge/discharge? Explain?
(First Problem: A 10-gauge copper wire is 5.0 m long. Across the wire is 120V. What current runs in the wire? Look up the meaning of gauge online if you need to. Use the resistivity of copper.) What is the average value of E-field inside that copper wire while flowing the current in the first problem.
Figure shows two circuits. The two batteries are identical and the four resistors all have exactly the same resistance.a. Is ΔVab larger than, smaller than, or equal to ΔVcd ? Explain.b. Rank in order, from largest to smallest, the currents I1 , I2 , and I3 . Explain.
Please answer these guide questions based on the table. What can you say about the current (I) values across each individual resistor? What happens to the measured voltage (V) across each individual resistor? Compare the theoretical and measured values for the resistances (R) of each individual resistor and the corresponding voltage (V) across them. Explain the differences between theoretical and measured values referred to above? Compare the voltage of Source 1 to the sum of V1 and V2. Explain. Compare the voltage of Source 2 to the sum of V4 and V5. Explain. *Write a conclusion:
Activity 1- Problem Solving Solve the following problems involving the relationship of current, charges, and time from this equation I=Q/t. Show your complete solution. If a metal wire carries a current of 80.0Ma, how long does it take for 3.00 x electrons to pass a given cross-sectional area of the wire?